OA17445A - Substituted bicyclic dihydropyrimidinones and their use as inhibitors of neutrophil elastase activity - Google Patents
Substituted bicyclic dihydropyrimidinones and their use as inhibitors of neutrophil elastase activity Download PDFInfo
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- OA17445A OA17445A OA1201500290 OA17445A OA 17445 A OA17445 A OA 17445A OA 1201500290 OA1201500290 OA 1201500290 OA 17445 A OA17445 A OA 17445A
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- OA
- OAPI
- Prior art keywords
- independently selected
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- phenyl
- mmol
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- MLUSGLFEYGWJHX-UHFFFAOYSA-N ethyl N-[(4-cyano-2-fluorophenyl)-(ethoxycarbonylamino)methyl]carbamate Chemical compound CCOC(=O)NC(NC(=O)OCC)C1=CC=C(C#N)C=C1F MLUSGLFEYGWJHX-UHFFFAOYSA-N 0.000 description 1
- RQQMGGZGVHPZMV-UHFFFAOYSA-N ethyl N-[(6-bromopyridin-3-yl)-(ethoxycarbonylamino)methyl]carbamate Chemical compound CCOC(=O)NC(NC(=O)OCC)C1=CC=C(Br)N=C1 RQQMGGZGVHPZMV-UHFFFAOYSA-N 0.000 description 1
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N ethylene glycol monomethyl ether Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001747 exhibiting Effects 0.000 description 1
- 201000001155 extrinsic allergic alveolitis Diseases 0.000 description 1
- 201000005703 farmer's lung Diseases 0.000 description 1
- 230000003480 fibrinolytic Effects 0.000 description 1
- 239000003527 fibrinolytic agent Substances 0.000 description 1
- 230000037320 fibronectin Effects 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N fumaric acid Chemical compound OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 231100000734 genotoxic potential Toxicity 0.000 description 1
- 229960005219 gentisic acid Drugs 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 229950006191 gluconic acid Drugs 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000004220 glutamic acid Substances 0.000 description 1
- 235000013922 glutamic acid Nutrition 0.000 description 1
- 230000003676 hair loss Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 235000015220 hamburgers Nutrition 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229960001340 histamine Drugs 0.000 description 1
- 239000000938 histamine H1 antagonist Substances 0.000 description 1
- 239000003396 histamine H4 receptor antagonist Substances 0.000 description 1
- 201000002563 histoplasmosis Diseases 0.000 description 1
- XGIHQYAWBCFNPY-AZOCGYLKSA-N hydrabamine Chemical compound C([C@@H]12)CC3=CC(C(C)C)=CC=C3[C@@]2(C)CCC[C@@]1(C)CNCCNC[C@@]1(C)[C@@H]2CCC3=CC(C(C)C)=CC=C3[C@@]2(C)CCC1 XGIHQYAWBCFNPY-AZOCGYLKSA-N 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- KLGZELKXQMTEMM-UHFFFAOYSA-N hydride Chemical compound [H-] KLGZELKXQMTEMM-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-N hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 1
- 239000004093 hydrolase inhibitor Substances 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- FUKUFMFMCZIRNT-UHFFFAOYSA-N hydron;methanol;chloride Chemical compound Cl.OC FUKUFMFMCZIRNT-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxyl anion Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000002471 hydroxymethylglutaryl coenzyme A reductase inhibitor Substances 0.000 description 1
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Substances C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 1
- 239000002955 immunomodulating agent Substances 0.000 description 1
- 238000000099 in vitro assay Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 125000003392 indanyl group Chemical group C1(CCC2=CC=CC=C12)* 0.000 description 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 1
- 230000002458 infectious Effects 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 201000006334 interstitial nephritis Diseases 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 201000004614 iritis Diseases 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- YDNLNVZZTACNJX-UHFFFAOYSA-N isocyanatomethylbenzene Chemical compound O=C=NCC1=CC=CC=C1 YDNLNVZZTACNJX-UHFFFAOYSA-N 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 1
- 229940099563 lactobionic acid Drugs 0.000 description 1
- 229940033355 lauric acid Drugs 0.000 description 1
- 108010072713 leukotriene A4 hydrolase Proteins 0.000 description 1
- 150000002617 leukotrienes Chemical class 0.000 description 1
- 201000011486 lichen planus Diseases 0.000 description 1
- IXAQOQZEOGMIQS-SSQFXEBMSA-N lipoxin A4 Chemical compound CCCCC[C@H](O)\C=C\C=C/C=C/C=C/[C@@H](O)[C@@H](O)CCCC(O)=O IXAQOQZEOGMIQS-SSQFXEBMSA-N 0.000 description 1
- 238000011068 load Methods 0.000 description 1
- 239000002697 lyase inhibitor Substances 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229940098895 maleic acid Drugs 0.000 description 1
- 230000036210 malignancy Effects 0.000 description 1
- 230000001404 mediated Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M methanoate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- YDCHPLOFQATIDS-UHFFFAOYSA-N methyl 2-bromoacetate Chemical compound COC(=O)CBr YDCHPLOFQATIDS-UHFFFAOYSA-N 0.000 description 1
- ACEONLNNWKIPTM-UHFFFAOYSA-N methyl 2-bromopropanoate Chemical compound COC(=O)C(C)Br ACEONLNNWKIPTM-UHFFFAOYSA-N 0.000 description 1
- HBCAQUUDOCPMTB-UHFFFAOYSA-N methyl N-tert-butylcarbamate Chemical compound COC(=O)NC(C)(C)C HBCAQUUDOCPMTB-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N n-heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 1
- KVBGVZZKJNLNJU-UHFFFAOYSA-N naphthalene-2-sulfonic acid Chemical compound C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
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- 235000001968 nicotinic acid Nutrition 0.000 description 1
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- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- UQPUONNXJVWHRM-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 UQPUONNXJVWHRM-UHFFFAOYSA-N 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 235000019371 penicillin G benzathine Nutrition 0.000 description 1
- 239000011886 peripheral blood Substances 0.000 description 1
- 230000002085 persistent Effects 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 1
- 239000002570 phosphodiesterase III inhibitor Substances 0.000 description 1
- 239000002606 phosphodiesterase VII inhibitor Substances 0.000 description 1
- 201000010115 photosensitivity disease Diseases 0.000 description 1
- GLUUGHFHXGJENI-UHFFFAOYSA-N piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 1
- 229940096701 plain lipid modifying drugs HMG CoA reductase inhibitors Drugs 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propanol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000000069 prophylaxis Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 201000007094 prostatitis Diseases 0.000 description 1
- 201000004681 psoriasis Diseases 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 102000027656 receptor tyrosine kinases Human genes 0.000 description 1
- 108091007921 receptor tyrosine kinases Proteins 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000003590 rho kinase inhibitor Substances 0.000 description 1
- 201000000306 sarcoidosis Diseases 0.000 description 1
- 238000003345 scintillation counting Methods 0.000 description 1
- 230000001932 seasonal Effects 0.000 description 1
- 201000003176 severe acute respiratory syndrome Diseases 0.000 description 1
- 231100000486 side effect Toxicity 0.000 description 1
- 230000019491 signal transduction Effects 0.000 description 1
- 101710044770 sll1951 Proteins 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 238000007921 solubility assay Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 108010014501 sphingosine 1-phosphate lyase (aldolase) Proteins 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000000707 stereoselective Effects 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 229960004818 sulfaphenazole Drugs 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- BUUPQKDIAURBJP-UHFFFAOYSA-M sulfinate Chemical compound [O-]S=O BUUPQKDIAURBJP-UHFFFAOYSA-M 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
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- 201000000596 systemic lupus erythematosus Diseases 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- LGPOLKNURGVMIC-UHFFFAOYSA-N tert-butyl N-(benzenesulfonylmethyl)-N-(4-cyano-2-methylsulfonylphenyl)carbamate Chemical compound C=1C=C(C#N)C=C(S(C)(=O)=O)C=1N(C(=O)OC(C)(C)C)CS(=O)(=O)C1=CC=CC=C1 LGPOLKNURGVMIC-UHFFFAOYSA-N 0.000 description 1
- ODGCEQLVLXJUCC-UHFFFAOYSA-O tetrafluoroboric acid Chemical compound [H+].F[B-](F)(F)F ODGCEQLVLXJUCC-UHFFFAOYSA-O 0.000 description 1
- WHRNULOCNSKMGB-UHFFFAOYSA-N tetrahydrofuran THF Chemical compound C1CCOC1.C1CCOC1 WHRNULOCNSKMGB-UHFFFAOYSA-N 0.000 description 1
- 125000001712 tetrahydronaphthyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 230000001732 thrombotic Effects 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-M toluene-4-sulfonate Chemical compound CC1=CC=C(S([O-])(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-M 0.000 description 1
- 201000005485 toxoplasmosis Diseases 0.000 description 1
- 229960003741 tranylcypromine Drugs 0.000 description 1
- HLRHYHUGSPVOED-UHFFFAOYSA-N trifluoromethanesulfonic acid;ytterbium Chemical compound [Yb].OS(=O)(=O)C(F)(F)F.OS(=O)(=O)C(F)(F)F.OS(=O)(=O)C(F)(F)F HLRHYHUGSPVOED-UHFFFAOYSA-N 0.000 description 1
- 229960000281 trometamol Drugs 0.000 description 1
- 239000002753 trypsin inhibitor Substances 0.000 description 1
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- 210000004509 vascular smooth muscle cell Anatomy 0.000 description 1
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- 239000002525 vasculotropin inhibitor Substances 0.000 description 1
- 230000017613 viral reproduction Effects 0.000 description 1
- 230000003612 virological Effects 0.000 description 1
- 230000035513 volume of distribution Effects 0.000 description 1
- 229910009112 xH2O Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
- KPGXRSRHYNQIFN-UHFFFAOYSA-N α-Ketoglutaric acid Chemical compound OC(=O)CCC(=O)C(O)=O KPGXRSRHYNQIFN-UHFFFAOYSA-N 0.000 description 1
Abstract
This invention relates to substituted bicyclic dihydropyrimidinones of formula (I) and their use as inhibitors of neutrophil elastase activity, pharmaceutical compositions containing the same, and methods of using the same as agents for treatment and/or prevention of pulmonary, gastrointestinal and genitourinary diseases, inflammatory diseases of the skin and the eye and other autoimmune and allergic disorders, allograft rejection, and oncological diseases.
Description
This invention relates to substituted bicyclic dihydropyrimidinones of formula 1
and their use as inhibitors of neutrophil elastase activity, pharmaceutical compositions containing the same, and methods of using the same as agents for treatment and/or m prévention of pulmonary, gastrointestinal and genîtourinary diseases, inflammatory diseases of the skin and the eye and other autoimmune and allergie dîsorders, allograft rejection, and oncological diseases.
BACKGROUND INFORMATION
J5 • The following references describc neutrophil elastase inhibitors with a monocyclic dihydro-pyrimidinone core: GB2392910, W004024700, WO05082864, WO05082863, DE 102006031314, US 100010024, WO 101L 5548, W009080199, DE 102007061 766, WO06136857, W006082412, W012002502.
· The following references describe neutrophil elastase inhibitors with a bicyclic tetrahydropyrrolopyrimidinedione core: W007129060, WO08135537, US090093477, W009013444, W009060206, W009060203, W009060158, US 110034433.
• The following references describe neutrophil elastase inhibitors with core structures other than those herein before mentioned: W004020412, W004020410, W003053930,
WO 10078953, WO09135599, DE 102009004197, WO11110858, WOl 1110859,
W009060158, W009037413, W004024701, US 130065913, WOl3018804,
WO 12002502.
-117445 • For a review on various inhibitors of neutrophil elastase see: P. Sjô (Future Med, Chem. 2012,4, 651-660).
BRIEF SUMMARY OF THE INVENTION
Neutrophil elastase (NE) is a 29 kDa serine protease. It is expressed in bone marrow precursor cells, stored in the granula of peripheral blood granulocytes at high concentrations and it is released upon cellular activation. To the substrates of NE belong major éléments of the extracellular matrix: elastin, fibronectin, laminin, collagen and proteoglycans. Neutrophil elastase activity leads to ECM dégradation, increases migration and chemotaxîs of monocytes and vascular smooth muscle cells and directly affects components of the coagulation and fibrinolytic pathways (PA1-1 and TFPI). Increased activity of neutrophil elastase is associated with chronic inflammatory and fibrotic diseases of several organs. Inhibitors of neutrophil elastase will therefore hâve an important rôle for the treatment of different diseases like COPD, idiopathic pulmonary fibrosis and other fibrotic diseases, cancer, acute lung injury, acute respiratory distress syndrome, bronchiectasis, cystic fibrosis, alpha 1-antitrypsin deficiency and others.
The compounds according to the présent invention, including the physiologically acceptable salts, are effective as inhibitors of neutrophil elastase and exhibit favourable inhibitory potency, as determined by the half maximal inhibitory concentration (IC50), in an enzymatic inhibition assay.
Some compounds according to the présent invention, including the physiologically acceptable salts, are additionally effective as inhibitors of neutrophil serin protease protéinase 3 and exhibit favourable inhibitory potency, as determined by the half maximal inhibitory concentration (IC50), in an enzymatic inhibition assay. This inhibitory activity on a second neutrophil serin protease may be benificial for pharmacological effïcacy.
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable inhibitory potency, as determined by the half maximal
-217445 effective concentration (EC50), in a plasma or whole-blood assay, for instance as described in T. Stevens et al. (J. Pharm. Exp. Ther. 2011, 339, 313-320).
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable in vivo potency, as determined, for example, by the half maximal effective dose (ED50), in models of human neutrophil elastase-induced lung injury în mice, rat or hamster, for instance as described in Tremblay et al. (Chest 2002,121, 582588) or T. Stevens et al. (J. Pharm. Exp, Ther. 2011, 339,313-320).
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable in vivo potency, as determined, for example, by the half maximal effective dose (ED50), in a model of LPS/FMLP-induced lung injury in hamster, for instance as described în Mitsuhashi et al. (Br. J. Pharmacol. 1999,126, 1147-1152).
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable metabolic stability in an în vitro microsomal assay for metabolic stability as described in E. Kems & L. Di (Drug-likeproperties: concepts, structure design and methods: from ADME to toxicity optimization, Elsevier, lst ed, 2008), chapter 29 and references therein.
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable metabolic stability in an in vitro hépatocytes assay for metabolic stability as described in E. Kems & L. Di (Drug-likeproperties: concepts, structure design and methods: from ADME to toxicity optimization, Elsevier, lst ed, 2008), chapter 29 and references therein.
An improved metabolic stability in an in vitro test system is expected to translate into a reduced în vivo clearance (CL), because the metabolic conversion in the liver is reduced. Based on the pharmacokinetic équation CL/Forai = Dose / AUC (Forai: oral bioavailability, AUC: area under the curve), a reduced in vivo clearance is expected to lead to higher dosenormalized systemic exposure (AUC) of the drug.
-317445 !
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable permeability in an in vitro Caco-2 cell layer method for permeability as described in E. Kems & L. Di (Drug-like properties: concepts, structure design and methods: from ADME to toxicity optimization, Elsevier, lsl ed, 2008), chapter
26 and references therein. For an oral drug, improved permeability is expected to translate into a higher fraction of the drug absorbed in the intestinal tract, thus, resulting in higher dose-normalized systemîc exposure (AUC).
Some compounds according to the présent invention, including the physiologically ίο acceptable salts, exhibit a favourable, that is low efflux ratio (permeability in the efflux direction divided by the permeability in the influx direction) in an in vitro Caco-2 or MDCK cell layer method as described in E. Kems & L. Di (Drug-like properties: concepts, structure design and methods: from ADME to toxicity optimization, Elsevier, lsl ed, 2008), chapter 26 and 27 and references therein. For an oral drug, an improved, that is reduced is efflux ratio is expected to translate into a higher fraction of the drug absorbed in the intestinal tract, thus, resulting in higher dose-normalized systemic exposure (AUC).
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable aqueous solubility in a kinetic or thermodynamic solubility method as described in E. Kems & L. Di (Drug-likeproperties: concepts, 15 structure design and methods: from ADME to toxicity optimization, Elsevier, lst ed, 2008), chapter 25 and references therein. For an oral drug, improved aqueous solubility is expected to translate into a higher fraction of the drug absorbed in the intestinal tract resulting in higher dose-normalized systemic exposure (AUC).
Comparatively higher dose-normalized systemic exposure (AUC) can be advantageous in several ways: (1) If a certain systemic exposure (AUC) needs to be achieved for efficacy, the drug can be dosed in a lower amount. Lower dosages hâve the advantages of lower drug load (parent drug and métabolites thereof) for the patient causing potentially less side ίο effects, and lower production costs for the drug product. (2) Comparatively higher dosenormalized systemic exposure (AUC) can lead to increased efficacy or prolonged duration of action of the drug when the same dose is applied. ΑλΛ
-417445
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable metabolic stability, favourable permeability, favourable efflux ratio and favourable aqueous solubility. Accordingly, some compounds of the présent invention are expected to exhibit favourable pharmacokinetic (PIC) properties after oral dosing, in particular favourable systemic exposure (area under the curve, AUC), thus, Ieading to favourable efficacy in vivo.
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable pharmacokinetic (PK) properties. The PK properties can be determined in pre-clinical animal species, for example mouse, rat, hamster, dog, guinea pîg, mini pig, cynomolgus monkey, rhésus monkey. The PK properties of a compound can be described, for example, by the following parameters: Mean résidence time (MRT), élimination half-live (t1/2), volume-of-distribution (Vd), area under the curve (AUC), clearance (CL) and bioavailability after oral administration (Forai).
The compounds of the invention and métabolites thereof are devoid of the hydrazine substructure that causes structural alerts for mutagenicity and carcinogenicity as described in Benigni et al. (Chem. Rev. 2011, 27, 2507-2536). Thus, compounds of the invention may bear the advantage of reduced genotoxic potential,
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable inhibition of cytochrome P450 (CYP) isozymes in corresponding in vitro assays for CYP isozyme inhibition as described in E. Kems & L. Di (Drug-like properties: concepts, structure design and methods: from ADME to toxicity optimization, Elsevier, lst ed, 2008), chapter 32 and references therein. Reduced inhibition of CYP isozymes is expected to translate into a reduced risk for undesirable drug-drug interactions which is the interférence of one drug with the normal metabolic or pharmacokinetic behaviour of a co-administered drug.
Some compounds according to the présent invention, including the physiologically acceptable salts, exhibit favourable, i.e. low, inhibition of the hERG channel in a patch
-517445 cl amp assay as described in E. Kems & L. Di (Drug-like properties: concepts, structure design and methods: from ADME to toxicity optimization, Elsevier, lst ed, 2008), chapter 34 and référencés cited therein.
DETAILED DESCRIPTION OF THE INVENTION
A compound of formula l
wherein
R1 is phenyl or a five- or six-mcmbercd heteroaryl, wherein one, two or three éléments are replaced by an element independently selected from the group consisting of N, O and S; preferably phenyl or pyridinyl; each ring optionally substituted with one, two or three substituents independently selected from the group consisting of halogen, O2N-, NC-, H2N-, HO-, R1 l, R1 lO-, R1 2, R13S-, R13(O)S- and R1 3(O)2S-;
R1 1 is independently selected from the group consisting of C|.6-alkyl-,
Cv(,-cycloalkyl-, C[_6-haloalkyI-, and CYé-lialocycloalkyl;
R1 2 is HO-C].6-alkyl- or R1 ‘-O-Ci.6-alkyl-;
R13 is independently selected from the group consisting of H, HO-, R1 1 and R12; preferably R1'1;
R2 is phenyl or a five- or six-membered heteroaryl, wherein one or two éléments are replaced by an element independently selected from the group consisting of N, O and S; preferably phenyl and pyridinyl; each ring optionally substituted with a substituent independently selected from the group consisting of halogen, C|_|-alkyl-, C[ 4-haloalkyl- and C]^-alkyl-O-; \j\/~
-617445
R3 | is a residue independently selected from the group consisting of | |
• | R31-; | |
« | R32(O)C-; | |
• | R32O(O)C-; | |
5 | e | R3 2O(O)C-A-; preferably R3 2O(O)C-CH2-; |
• | R3 2S-; R3 2tOjS_; r3 2(O)2S_; preferabiy R3 Z(O)2S-; | |
• | (R32)2N(O)C and | |
• | (R3 2)2N(O)C-A-; preferably (R3 2)2N(O)C-CH2-; | |
ΙΟ | R31 | is independently selected from the group consisting of H, R3'3, R3'4, Ci-6-alkyl-C3.6-cycloalkyl- and C-cycloalkyl-Ci_6-alkyi-, each optionally substituted with one or two substituents independently selected from R |
R3·1'1 is selected from the group consisting of HO-, halogen, NC-, R3 3O-, | ||
15 | R3 5, R3 6 and R3 7 or | |
R311 dénotés a ring independently selected from phenyl and a | ||
four-membered heterocyclic ring containing one element independently selected from among N, 0, S, S(O) and S(O)2 or | ||
R311 dénotés a five- or six-membered heterocyclic or heteroaryl ring | ||
20 | containing one, two or three éléments independently selected from among N, 0, S, S(0) and S(0)2; each of the rings optionally substituted with one or two substituents 3 3 independently selected from among HO-, 0=, halogen, NC-, R ‘, R3 3O-, R3 3-(O)C-, R3 4, R3 5, R3 6 and R3 7 or two substituents are | |
25 | together R3'8; | |
R32 | is independently selected from R31, phenyl or a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from N, O, S, S(O) and S(O)2; each ring optionally | |
30 | substituted with one or two substituents independently selected from HO-, |
-717445
O=, NC-, halogen, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3 5, R3'6 and R3 7 or two
8 substituents are together R ' ;
or two R3'2 are together a three-, four-, five- or six-membered monocyclîc or a six-, seven-, eight-, nine- or ten-membered bicyclic heterocyclic or heteroaryl ring optionally containing additional to the nitrogen one or two éléments independently selected from among N, O, S, S(O) and S(O)2; optionally substituted with one or two substituents, independently selected from among HO-, F, 0=-, NC-, R3 3, R3 3O-, R3 3-(O)C-, R3'4, R3'5, R3'6, R3'7, phenyl and a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2; or two substituents are together R3 8;
R3'3 is independently selected from the group consisting of C]-6-alkyl-, C3-6-cycloalkyl-, Cj.6-haloalkyl- and C3_6-halocycloalkyl;
R34 is HO-Ci ô-alkyl- or R3 3-O-C].6-alkyl-;
R3'5 is independently selected from the group consisting of H2N-, R3 3-HN-, (R3 3)2N-, R3 3-(O)C-HN- and R3 3-(O)C-(R3 3)N-;
R3 6 is independently selected from the group consisting of R3 Î-(O)S-,
R3 3-(O)2S-, R3 3(HN)S-, R33(HN)(O)S-, R3 3(R3 3N)S-, R3 3(R3 3N)(O)S-,
R3 3(R3 4N)S-, R3 3(R3 4N)(O)S-; R3 3(NC-N)S- and R3 3(NC-N)(O)S-;
R3'7 îs independently selected from the group consisting of HO(O)C-, H2N(O)C-, R3 3-O-(O)C-, R3 3-NH-(O)C- and (R3 3)2N-(O)C-;
R3 8 is independently selected from the group consisting of Cj-6-alkylene and Ci-6-haloalkylene, wherein optionally one or two CH2-groups are replaced by -HN-, -(R3 3)N-, -(R3 4)N-, -(R3 3(O)C-)N-, -(R3 4(O)C-)N-, -O-, -S-, -S(O)- or -S(O)2-;
A is -CH2-, -CH2-CH2- or -CH2-CH2-CH2-; preferably -CH2-; optionally substituted with one or two substituents independently selected from the group consisting of halogen, R3'3, R3 3O-, R3'4 or two substituents together are R3 8;
-817445
R4 is independently selected from the group consisting of halogen, C i6-alkyl-, C3-6-cycloalkyl-, C[ 6-haloalkyl- and (.'3.6-halocycloalkyl; or two R4 are together C[_6-alkylene or C]_6-haloalkylene;
m is 0, 1 or 2; preferably 0;
or a sait thereof.
USED TERMS AND DEFINITIONS
Terms not specifically defined herein should be given the meanings that would be given to them by one of skill in the art in light of the disclosure and the context. As used in the spécification, however, unless specified to the contrary, the following terms hâve the meaning indicated and the following conventions are adhered to.
In the groups, radicals, or moieties defined below, the number of carbon atoms is often specified preceding the group, for example, Cps-alkyl means an alkyl group or radical having 1 to 6 carbon atoms.
In general in single groups like HO, H2N, S(O), S(O)2, NC (cyano), HOOC, F3C or the like, the skilled artisan can see the radical attachment poînt(s) to the molécule from the free valences of the group itself. For combined groups comprising two or more subgroups, the last named subgroup is the radical attachment point, for example, the substituent aryl-Ci-3alkyl- means an aryl group which is bound to a C'13-alkyl-group, the latter of which is bound to the core or to the group to which the substituent is attached.
In case a compound of the présent invention is depicted in form of a chemical name and as a formula in case of any discrepancy the formula shall prevail. An asterisk is may be used in sub-formulas to indicate the bond which is connected to the core molécule as defined.
For example, the term 3-carboxypropyl-group” represents the following substituent: « λ/
-917445
wherein the carboxy group is attached to the third carbon atom of the propyl group. The terms l-methylpropyl-, 2,2-dîmethylpropyl- or cyclopropylmethyl- group represent the following groups:
-^CH3 ' h3c ch3
The asterisk may be used in sub-formulas to indicate the bond which is connected to the io core molécule as defîned.
Many of the followings terms may be used repeatedly in the définition of a formula or group and in each case hâve one of the meanings given above, independently of one another.
The term substituted as used herein, means that any one or more hydrogens on the designated atom is replaced with a sélection from the indicated group, provided that the designated atom's normal valence is not exceeded, and that the substitution results in a stable compound.
The expressions prévention, prophylaxis, prophylactic treatment or préventive treatment used herein should be understood synonymous and in the sense that the risk to develop a condition mentioned hereînbefore is reduced, especially in a patient having elevated risk for said conditions or a corresponding anamnesis, e.g. elevated risk of developing metabolic disorder such as diabètes or obesity or another disorder mentioned herein. Thus the expression prévention of a disease as used herein means the management and care of an individual at risk of developing the disease prior to the clinical onset of the ^j-~
-1017445 disease. The purpose of prévention is to combat the development of the disease, condition or disorder, and includes the administration of the active compounds to prevent or delay the onset of the symptoms or complications and to prevent or delay the development of related diseases, conditions or disorders. Success of said préventive treatment is reflected statistically by reduced incidence of said condition within a patient population at risk for this condition in comparison to an équivalent patient population without préventive treatment.
The expression treatment or therapy means therapeutic treatment of patients having already developed one or more of said conditions in manifest, acute or chronic form, including symptomatic treatment in order to relieve symptoms of the spécifie indication or causal treatment in order to reverse or partially reverse the condition or to delay the progression of the indication as far as this may be possible, dependîng on the condition and the severity thereof. Thus the expression treatment of a disease as used herein means the management and care of a patient having developed the disease, condition or disorder. The purpose of treatment is to combat the disease, condition or disorder. Treatment includes the administration of the active compounds to eliminate or control the disease, condition or disorder as well as to alleviate the symptoms or complications associated with the disease, condition or disorder.
Unless specifically indicated, throughout the spécification and the appended claims, a given chemical formula or name shall encompass tautomers and ali stéréo, optical and geometrical isomers (e.g. enantiomers, diastereomers, E/Z isomers etc...) and racemates thereof as well as mixtures in different proportions of the separate enantiomers, mixtures of diastereomers, or mixtures of any of the foregoing forms where such isomers and enantiomers exist, as well as salts, including pharmaceutically acceptable salts thereof and solvatés thereof such as for instance hydrates including solvatés of the free compounds or solvatés of a sait of the compound.
Ail isomeric forms (especially ail stereoisomeric forms, e.g. ail chiral, enantiomeric, diastereomeric and racemic forms, ail tautomeric and ail géométrie isomeric forms) of a compound of the présent invention are intended with this invention, unless the spécifie isomer is
-U17445 specifically indicated. Obviously, the isomer which is pharmacologically more potent and/or more efficacîous is preferred.
It will be appreciated that the compounds of the présent invention contain at least one asymmetrically substituted carbon atom, and may therefore be isolated as pure enantiomers or as a racemic or non-racemîc mixture of both enantiomers. It will be appreciated that some of the compounds of the présent invention contain more than one stereogenic center, i.e. more than one asymmetrically substituted carbon or sulfür atom, and may therefore be isolated as pure diastereomers or as diastereomeric mixtures, both in optically active or io racemic forms.
The invention contemplâtes ail conceivable stereoisomers, particulariy the diastereomers and enantiomers mentioned herein, e.g. in substantially pure form, in enriched form (e.g. substantially free of any or ail other undesired enantiomers and/or diastereomers and/or in i5 any mixing ratio, including the racemic forms, as well as the salts thereof.
In general, substantially pure stereoisomers can be obtained according to synthetic principles known to a person skilled in the field, e.g. by séparation of corresponding mixtures, by using stereochemically pure starting materials and/or by stereoselective synthesis. It is known in the art how to préparé optically active forms, such as by resolution of racemic forms or by synthesis, e.g. starting from optically active starting materials and/or by using chiral reagents.
Enantiomerically pure compounds of this invention or intermediates may be prepared via asymmetric synthesis, for example by préparation and subséquent séparation of appropriate diastereomeric compounds or intermediates which can be separated by known methods (e.g. by chromatographie séparation or crystallization) and/or by using chiral reagents, such as chiral starting materials, chiral catalysts or chiral auxiliaires.
so Further, it is known to the person skilled in the art how to préparé enantiomerically pure compounds from the corresponding racemic mixtures, such as by chromatographie séparation of the corresponding racemic mixtures on chiral stationary phases; or by
-1217445 resolution of a racemic mixture using an appropriate resolving agent, e.g. by means of diastereomeric sait formation of the racemic compound with optically active acids or bases, subséquent résolution of the salts and release of the desired compound from the sait; or by derivatization of the corresponding racemic compounds with optically active chiral auxiliary reagents, subséquent diastereomer séparation and removal of the chiral auxiliary group; or by kinetic resolution of a racemate (e.g. by enzymatic resolution); by enantioselective crystallization from a conglomerate of enantiomorphous crystals under suitable conditions; or by (fractional) crystallization from a suitable solvent in the presence of an optically active chiral auxiliary.
The term halogen generally dénotés fluorine, chlorine, bromine and iodine.
As used herein the term prodrug refers to (i) an inactive form of a drug that exerts its effects after metabolic processes within the body converting it to a usable or active form, or (H) a substance that gives rise to a pharmacologically active métabolite, although not itself active (i.e. an inactive precursor).
The terms prodrug” or prodrug dérivative” mean a covalently-bonded dérivative, carrier or precursor of the parent compound or active drug substance which undergoes at least some biotransformation prior to exhibiting its pharmacological effect(s). Such prodrugs either hâve metabolically cleavable or otherwise convertible groups and are rapidly transformed in vivo to yield the parent compound, for example, by hydrolysis in blood or by activation via oxidation as in case of thioether groups. Most common prodrugs include esters and amide analogs of the parent compounds. The prodrug is formulated with the objectives of improved chemical stability, improved patient acceptance and compliance, improved bioavailability, prolonged duration of action, improved organ selectivity, improved formulation (e.g., increased hydrosolubility), and/or decreased side effects (e.g., toxicity). In general, prodrugs themselves hâve weak or no biological activity and are stable under ordinary conditions. Prodrugs can be readily prepared from the parent compounds using methods known in the art, such as those described in A Textbook of Drug Design and Development, Krogsgaard-Larsen and H. Bundgaard (eds.), Gordon & Breach, 1991, particularly Chapter 5: Design and Applications of Prodrugs”; Design of Prodrugs, H.
-1317445
Bundgaard (ed.), Elsevier, 1985; Prodrugs: Topical and Ocular Drug Delivery, K.B. Sloan (ed.), Marcel Dekker, 1998; Methods in Enzymology, K. Widder étal, (eds.), Vol. 42, Academie Press, 1985, particulariy pp. 309-396; Burger’s Médicinal Chemistry and Drug Discovery, 5th Ed., M. Wolff (ed ), John Wiley & Sons, 1995, particulariy Vol. I and pp.
s 172-178 and pp. 949-982; Pro-Drugs as Novel Delivery Systems, T. Higuchi and V. Stella (eds.), Am. Chem. Soc., 1975; Bioreversible Carriers in Drug Design, E.B. Roche (ed.), Elsevier, 1987, each of which is incorporated herein by reference in their entireties.
The term pharmaceutically acceptable prodrug” as used herein means a prodrug of a io compound of the invention whîch is, within the scope of sound medical judgment, suitable for use in contact with the tissues of humans and lower animais without undue toxicity, irritation, allergie response, and the like, commensurate with a reasonable benefit/risk ratio, and effective for their intended use, as well as the zwitterionic forms, where possible.
is The phrase pharmaceutically acceptable is employed herein to refer to those compounds, materials, compositions, and/or dosage forms which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of human beïngs and animais without excessive toxicity, irritation, allergie response, or other problem or complication, and commensurate with a reasonable benefit/risk ratio.
As used herein, pharmaceutically acceptable salts refer to dérivatives of the disclosed compounds wherein the parent compound is modified by making acid or base salts thereof. Examples of pharmaceutically acceptable salts include, but are not limited to, minerai or organic acid salts of basic residues such as amines; alkali or organic salts of acidic residues such as carboxylic acids; and the like. For example, such salts include salts from ammonia, L-argînine, betaine, benethamine, benzathine, calcium hydroxide, choline, deanol, diethanolamîne (2,2’-iminobis(ethanol)), diethylamine, 2-(diethylamino)-ethanol, 2-amînoethanol, ethylenedîamine, N-ethyl-glucamine, hydrabamine, lH-imidazole, lysine, magnésium hydroxide, 4-(2-hydroxyethyl)-morpholine, piperazine, potassium hydroxide,
1-(2-hydroxyethyl)-pyrrolidine, sodium hydroxide, triethanolamine (2,2’,2-nitrilotris(ethanol)), tromethamine, zinc hydroxide, acetic acid, 2.2-dichloro-acetic acid, adîpic acid, alginic acid, ascorbic acid, L-aspartic acid, benzenesulfonic acid, benzoic acid,
-1417445
2,5-dihydroxybenzoic acid, 4-acetamido-benzoic acid, (+)-camphoric acid, (+)-camphor10-sulfonic acid, carbonic acid, cinnamic acid, citric acid, cyclamic acid, decanoic acid, dodecylsulfuric acid, ethane-l,2-disulfonic acid, ethanesulfonic acid, 2-hydroxy-ethanesulfonic acid, ethylenediaminetetraacetic acid, formic acid, fumaric acid, galactaric acid, gentisic acid, D-glucoheptonic acid, D-gluconic acid, D-glucuronic acid, glutamic acid, glutaric acid, 2-oxo-glutaric acid, glycerophosphoric acid, glycine, glycolic acid, hexanoic acid, hippuric acid, hydrobromic acid, hydrochloric acid, isobutyric acid, DL-lactic acid, lactobionic acid, lauric acid, lysine, maleic acid, (-J-L-malic acid, malonic acid, DL-mandelic acid, methanesulfonic acid, galactaric acid, naphthalene-l,5-disulfonic acid, naphthalene-2-sulfonic acid, l -hydroxy-2-naphthoic acid, nicotinic acid, nîtric acid, octanoic acid, oleic acid, orotic acid, oxalic acid, palmitic acid, pamoic acid (embonic acid), phosphoric acid, propionic acid, (-)-L-pyroglutamic acid, salicylîc acid, 4-amino-salicylic acid, sebacic acid, stearic acid, succinic acid, sulfuric acid, tannic acid, (+)-L-tartaric acid, thiocyanic acid, p-toluenesulfonic acid and undecylenic acid. Further pharmaceutically acceptable salts can be formed with cations from metals like aluminium, calcium, lithium, magnésium, potassium, sodium, zinc and the like. (also see Pharmaceutical salts, Berge, S.M. et al., J. Pharm. Sci., ( 1977), 66, l -19).
The pharmaceutically acceptable salts of the présent invention can be synthesized from the parent compound which contains a basic or acidic moiety by conventional chemical methods. Generally, such salts can be prepared by reacting the free acid or base forms of these compounds with a sufficient amount of the appropriate base or acid in water or in an organic diluent like ether, ethyl acetate, éthanol, isopropanol, or acetonitrile, or a mixture thereof.
Salts of other acids than those mentioned above which for example are useful for purifying or isolating the compounds of the présent invention (e.g. trifluoro acetate salts) also comprise a part of the invention.
The term Ci.n-alkyl”, wherein n is an integer from 2 to n, either alone or in combination with another radical dénotés an acyclic, saturated, branched or linear hydrocarbon radical with l to n C atoms. For example the term Ci.j-alkyl embraces the radicals H3C-,
-1517445
H3C-CH2-, H3C-CH2-CH2-, H3C-CH(CH3)-, H3C-CH2-CH2-CH2-, H3C-CH2-CH(CH3)-> H3C-CH(CH3)-CH2-, H3C-C(CH3)2-, H3C-CH2-CH2-CH2-CH2-, H3C-CH2-CH2-CH(CH3)-, H3C-CH2-CH(CH3)-CH2-, H3C-CH(CH3)-CH2-CH2-, H3C-CH2-C(CH3)2-, H3C-C(CH3)2-CH2-, H3C-CH(CH3)-CH(CH3)- and H3C-CH2-CH(CH2CH3)-.
The term Ci.n-alkylene wherein n is an integer 2 to n, either alone or in combination with another radical, dénotés an acyclic, straight or branched chain divalent alkyl radical containing from l to n carbon atoms. For example the term Cj-4-alkylene includes -CH2-, -CH2-CH2-, -CH(CH3)-, -CH2-CH2-CH2-, -C(CH3)2-, -CH(CH2CH3)-> -CH(CH3)-CH2-, -CH2-CH(CH3)-, -CH2-CH2-CH2-CH2-, -CH2-CH2-CH(CH3)-, -CH(CH3)-CH2-CH2-, -CH2-CH(CH3)-CH2-, -CH2-C(CH3)2-, -C(CH3)2-CH2-, -CH(CH3)-CH(CH3)-, -CH2-CH(CH2CH3)-> -CH(CH2CH3)-CH2-, -CH(CH2CH2CH3)-, -CH(CH(CH3))2- and -C(CH3)(CH2CH3)-.
The term C3-n-cycloalkyl”, wherein n is an integer from 4 to n, either alone or in combination with another radical dénotés a cyclic, saturated, unbranched hydrocarbon radical with 3 to n C atoms. For example the term C3_7-cycloalkyl includes cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and cycloheptyl.
By the term halo added to a alkyl, alkylene or cycloalkyl group (saturated or unsaturated) is such a alkyl or cycloalkyl group wherein one or more hydrogen atoms are replaced by a halogen atom selected from among fluorine, chlorine or bromine, preferably fluorine and chlorine, particularly preferred îs fluorine. Examples include: H2FC-, HF2C-, F3C-,
The term aryl” as used herein, either alone or in combination with another radical, dénotés a carbocyclic aromatic monocyclic group containing 6 carbon atoms which may be further fused to a second five- or six-membered, carbocyclic group which may be aromatic, saturated or unsaturated. Aryl includes, but is not limited to, phenyl, indanyl, indenyl, naphthyl, anthracenyl, phenanthrenyl, tetrahydronaphthyl and dihydronaphthyl.
-1617445
The term heterocyclyl’1 means a saturated or unsaturated mono- or polycyclic-ring system including aromatic ring system contaîning one or more éléments selected from N, O, S, S(O) or S(O)21 consisting of3 to 14 ring atoms wherein none ofthe heteroatoms is part of the aromatic ring. The term heterocyclyl” is intended to include all the possible isomeric s forms; thus, the term heterocyclyl” includes the following exemplary structures which are not depicted as radicals as each form may be attached through a covalent bond to any atom
-1717445
-1817445
-1917445
The term heteroaryl means a mono- or polycyclic-ring Systems containing one or more éléments selected from N, O, S, S(O) or S(O)2, consisting of 5 to 14 ring atoms wherein at least one of the heteroatoms is part of aromatic ring. The term heteroaryl” is intended to include ail the possible isomeric forms; Thus, the term heteroaryl” includes the following 5 exemplary structures which are not depicted as radicals as each form may be attached through a covalent bond to any atom so long as appropriate valences are maintained:
-2017445
PREFERRED EMBODIMENTS
Preferred are the above compounds of formula 1, wherein R1 is R1 a and Rla is phenyl or pyridinyl; each ring optionally substîtuted by one, two or three residues independently selected from the group consisting of halogen, O2N-, NC-, H2N-, HO-, R1-1, R1 lO-, R12, s R13S-, R13(O)S- and R' 3(O)2S-,
Preferred are the above compounds of formula 1, wherein R1 is Rlb and R1 b is phenyl or pyridinyl; each ring optionally substîtuted by one, two or three residues independently selected from the group consisting of halogen, NC-, R1 l, R13(O)S- and, R13(O)2S-.
Preferred are the above compounds of formula 1, wherein R1 is Rl c and Rl c is phenyl or pyridinyl; each ring optionally substîtuted by one, two or three residues independently selected from the group consisting of F, Cl, Br-, NC-, R11, R13(O)S- and R13(O)2S-, and R11 is independently selected from the group consisting of Ci.6-alkyl-, C3.6-cycloalkyl-, Cj.6-haloalkyl- and Ci.(l-halocycloalkyl;
R12 is HO-Cj.6-alkyl- or R1 l-O-Ci_6-alkyl-;
R13 is independently selected from the group consisting of H, HO-, R1 1 and R12;
Preferred are the above compounds of formula 1, wherein R1 is R1 d and Rld is phenyl or pyridinyl; each ring optionally substîtuted by one, two or three residues independently selected from the group consisting of F, Cl, Br-, NC-, Me, Et, i-Pr, t-Bu, cyclopropyl, Me(O)S-, Me(O)2S-, Et(O)2S-, i-Pr(O)2S-, t-Bu(O)2S- and cyclopropyl (O)2S-. Particularly preferred are the above compounds of formula 1, wherein R1 is R1 d and Rl d is phenyl or pyridinyl; each ring optionally substîtuted by one, two or three residues independently selected from the group consisting of F, Cl, Br-, NC-, Me, Me(O)S-,
Me(O)2S- and Et(O)2S-.
Preferred are the above compounds of formula 1, wherein R1 is R1 e and Rl e is phenyl or pyridinyl; each ring optionally substîtuted by one or two residues independently selected from the group consisting of NC-, Me(O)S-, Me(O)2S and Et(O)2S.
Preferred are the above compounds of formula 1, wherein R1 is Rl f and R1 r is v/v''
-2117445
Preferred are the above compounds of formula 1, wherein R1 is R1 Ê and R1 Ê is
CN
O O
Preferred are the above compounds of formula 1, wherein R1 is Rl h and R, h is
Preferred are the above compounds of formula 1, wherein R1 is R1'1 and R11 is
CN
Preferred are the above compounds of formula 1, wherein R1 is R1··* and R1 j is
CN
Preferred are the above compounds of formula 1, wherein R2 is R2a and R2a is phenyl or a six-membered heteroaryl; wherein one or two éléments are replaced by an element
-2217445 independently selected from the group consisting of N, O and S; each ring optionally substituted with a substituent independently selected from the group consisting of halogen, C]..palkyl-, Ci^-haloalkyl- and Cj 4-alkyl-O-.
Preferred are the above compounds of formula 1, wherein R is R and R ’ is phenyl or a six-membered heteroaryl; wherein one or two éléments are replaced by N; each ring optionally substituted with a substituent independently selected from the group consisting of halogen, C].4-alkyl- and C) .4-haloalkyl-.
Preferred are the above compounds of formula 1, wherein R2 is R2c and R2 c is phenyl or pyridinyl; each optionally substituted with a substituent independently selected from the group consisting of halogen, Cj^-alkyl- and Ci^-haloalkyl-.
Preferred are the above compounds of formula 1, wherein R2 is R2 d and R2 d is phenyl or pyridinyl; each optionally substituted with a substituent independently selected from among F3C-, F2HC- and FH2C-,
Particulariy preferred are the above compounds of formula 1, wherein R2 is R2d and R2 d is phenyl or pyridinyl; each optionally substituted with a substituent independently selected from among F3C- and F2HC-.
Preferred are the above compounds of formula 1, wherein R2 is R2 e and R2 e is phenyl, optionally substituted with a substituent independently selected from the group consisting ofF3C- andF2HC-.
Preferred are the above compounds of formula 1, wherein R2 is R2 f and R2 f is pyridinyl, optionally substituted with a substituent independently selected from the group consisting of F3C- and F2HC-.
In a preferred embodiment of the invention R is one of the above mentioned rings carrying the above mentioned substituent in meta-position to the connection of R2 with the compound of formula 1.
-2317445
Preferred are the above compounds of formula 1, wherein R2 is R2'6 and R2e is
F
-J L 4L
Preferred are the above compounds of formula 1, wherein R is R · and R is
Preferred are the above compounds of formula 1, wherein R2 is R21 and R21 is
F
Preferred are the above compounds of formula 1, wherein R3 is R3 a and R3a is selected from the group consisting of . R31-;
• R32O(O)C-;
• R3 2O(O)C-CH2-;
• R32(O)2S-;
• (R3 2)2N(O)C- and • (R32)2N(O)C-CH2-.
Preferred are the above compounds of formula 1, wherein R3 is R3 b and R3 b is selected from the group consisting of . R31-;
. R32O(O)C-;
-2417445 • R32O(O)C-CH2-;
• R32(O)2S-;
• (R3 2)2N(O)C- and • (R32)2N(O)C-CH2-.
Preferred are the above compounds of formula 1, wherein R is independently selected from among HO(O)C-H2C-, MeO(O)C-H2C-, H2N(O)C-H2C-, MeHN(O)C-H2C-, Me2N(O)C-H2C-, morphoIinyl-(0)C-H2C-J azetidinyl-(O)C-H2C-, pyrrolidinyl-(O)C-H2C-, MeHN(O)C-, EtHN(O)C-, HO(CH2)2HN(O)C-, HO(CMe2)(CH2)HN(O)C-, io HO(CH2)3HN(O)C-, Me(O)S(CH2)2HN(O)C-, Me(O)2S(CH2)2HN(O)C-, Et(O)2S- and Me(O)2S~.
-J
Preferred are the above compounds of formula 1, wherein R is independently selected from among HO(O)C-I LC-, MeO(O)C-H2C-, H2N(O)C-H2C-, MeHN(O)C-H2C-, is Me2N(O)C-H2C-, morpholinyl-tOJC-HjC-, azetidinyl-(O)C-H2C- and pyrrolidinyl-(O)C-H2C-.
Preferred are the above compounds of formula 1, wherein R3 is independently selected from among MeHN(O)C-, EtHN(O)C-, HO(CH2)2HN(O)C-, HO(CMe2)(CH2)HN(O)C-,
HO(CH2)3HN(O)C-, Me(O)S(CH2)2HN(O)C- and Me(O)2S(CH2)2HN(O)C-.
Preferred are the above compounds of formula 1, wherein R3 is selected from among the examples (E#) 1 to 59 of Table 1 R3 - Embodiments of the invention for R3, R3 2, R3'3, R34, R3 5, R3 6, R3'7, R3 8 (if présent):
TABLE 1 R3 - Embodiments of the invention
E# | R3 | R32 | R33 | R34 | R35 | R36 | R37 | R38 |
1. | RÎ.ka | R3,3a | R34b | R35b | Rlbb | R3.7.b | ||
2. | R3.1,b | R3.3.a | R3.4.b | |||||
3. | r3.LC | R3,3a | R34b | R35b | R3.6.b | R37b | Rïïb | |
4. | R™ | R3.3.a | R3.4,b | R3.5.b | R3.6,b | R3,7,b |
-2517445
E# | R3 | R32 | R33 | R34 | R35 | R36 | R37 | R38 |
5. | H | |||||||
6. | Me | |||||||
7. | -ch2-cn | |||||||
8. | R32O(O)C- | R32a | R3 3 a | R3.4.b | R3.5.b | R3.6.b | R3.7.b | R38” |
9. | R32O(O)C- | R3.2.b | R33® | R34.b | ||||
ΙΟ. | R32O(O)C- | R3.2.c | ||||||
11. | R32O(O)C- | R3.2.d | R33® | R3·4” | R3.5.b | R3.6.b | R3.7.b | R38” |
12. | R32O(O)C- | R3·2·” | ||||||
13. | R3 2O(O)C-CH2-; | R3.2.a | R3.3.a | R3.4.b | R3.5.b | .6.b | R3.7.b | R3.8.b |
14. | R3 2O(O)C-CH2-; | R3.2.b | R3.3.a | R3.4.b | ||||
15. | R32O(O)C-CH2-; | r3,2c | ||||||
16. | R3 2O(O)C-CH2-; | R32” | R3.3.a | R3.4.b | R3.5 b | R3.6.b | R3.7.b | R3.8.b |
17. | R32O(O)C-CH2-; | R3.2.h | ||||||
18. | R32(O)2S-; | R3.2.a | R33’ | R3.4.b | R35b | R3.6.b | R3.7.b | R3.8.b |
19. | R32(O)2S-; | R3.2.b | R3.3a | R34b | ||||
20. | R32(O)2S-; | r3.2.c | ||||||
21. | R32(O)2S-; | R3.2.d | R3.3.a | R3.4.b | R3.5.b | j^3 6.b | R3.7.b | R3.8.b |
22. | R32(O)2S-; | Me; | ||||||
23. | R32(O)2S-; | R3.2.b | ||||||
24. | R32HN(O)C- | R32a | R3.3.a | R3.4.b | R3.5.b | R3.6.b | R3.7.b | R3.8.b |
25. | R32HN(O)C- | R32.b | R3.3.a | R3.4.b | ||||
26. | R32HN(O)C- | r3.2.c | ||||||
27. | R32HN(O)C- | R3.2.d | R3.3.a | R3.4.b | R3.5.b | R3.6.b | R3.7.b | R3.8.b |
28. | R32HN(O)C- | R3.2.b | ||||||
29. | R32HN(O)C- | H | ||||||
30. | R32HN(O)C- | Me | ||||||
31. | R32HN(O)C- | Et | ||||||
32. | R32HN(O)C- | cyclo-Ρτ | ||||||
33. | R32HN(O)C- | HO(CH2)2- | ||||||
34. | R32HN(O)C- | HO(CMe2)CH2- | ||||||
35. | R32HN(O)C- | HO(CH2)3- | ||||||
36. | R3 2HN(O)C-CH2- | R3.2.a | R3.3.a | R3.4.b | R3,5.b | R3.6.b | R3.7.b | R3.8.b |
-2617445
E# | R3 | r32 | R33 | R34 | R35 | r36 | R37 | R38 |
37. | R3 2HN(O)C-CH2- | R3.2.b | R33a | R34b | ||||
38. | R3 2HN(O)C-CH2- | r3.2.c | ||||||
39. | R3 2HN(O)C-CH2- | R3.2.d | R33’ | R34b | R35” | R3.6.b | R3.?.b | R3.8.b |
40. | R32HN(O)C-CH2- | R3.2.h | ||||||
41. | (R32)2N(O)C- | R3.2.a | R3.3.a | R3.4.b | R3.5b | R36b | R3.7.b | R3.8.b |
42. | (R32)2N(O)C- | R3.2.b | R3.3.a | R3.4.b | ||||
43. | (R32)2N(O)C- | R3.2.e | R3.3.a | R3'4b | R3.5.b | R3.6.b | R3.7.b | R3.8.b |
44. | (R32)2N(O)C- | R3.2.f | R33a | R3r4b | R3.5.b | R3.6.b | R3.7.b | R3.8.b |
45. | (R32)2N(O)C- | R3.2.g | R3.3.a | R3.4.b | R3.5.b | R3.6.b | R3.7.b | R3.8.b |
46. | (Rî2)2N(O)C-CH2- | R3’2'8 | j^3.3 a | R3.4.b | R3.5.b | R3.6.b | R3.7.b | R3.8.b |
47. | (R32)2N(O)C-CH2- | R3.2.b | R33® | R3.4.b | ||||
48. | (R32)2N(O)C-CH2- | r3.2.c | ||||||
49. | (R32)2N(O)C-CH2- | R3r2d | R3.3.a | R3.4.b | R3.5.b | |^3.6. b | R3.7b | R3.8.b |
50. | (R3 2)2N(O)C-CH2- | R3.2.e | R3'3'® | R3Ab | R3.5b | R36b | R3.7.b | R3.8.b |
51. | (R32)2N(O)C-CH2- | R32t | R33® | R3.4.b | R3.S.b | R3.6.b | R3.7.b | R3.8.b |
52. | (R32)2N(O)C-CH2- | R32® | R3.3.a | R3.4.b | R3.5.b | R3.6.b | R3.7.b | R3.8.b |
53. | Me(O)2S- | |||||||
54. | MeHN(O)C- | |||||||
55. | EtHN(O)C- | |||||||
56. | cyc/o-PrHN(O)C- | |||||||
57. | HO(CH2)2HN(O)C- | |||||||
58. | HO(CMe2)(CH2)HN(O)C-; | |||||||
59. | HO(CH2)3HN(O)C- |
Preferred are the above compounds of formula 1, wherein R31 is R31 a and R31 a is
H, R3'3, R3 4, Ci-e-alkyl-Ci-ô-cycIoalkyl·, Cj-6-cycloalkyl-Ci-6-alkyl-, each optionally substituted with one or two substituents independently selected from R311-; and R31 1 is 5 selected from among HO-, halogen, NC-, R3 3O-, R3 5, R3 6 and R3 7.
1' 3 I b 31b·
Preferred are the above compounds of formula 1, wherein R is R and R ' is selected from among H, R3 3, R3'4, C]_6-alkyl-C3_6-cycloalkyl- and C3.6-cycloalkyl-C].6-alkyl~.
-2717445
Preferred are the above compounds of formula 1, wherein R31 is R3Lc and R3 l c is selected from among H, R3'4 and C i_<,-alkyl-, optionally substituted with one or two substituents independently selected from R -; and R ‘ is a ring independently selected from among phenyl and a four-membered heterocyclic ring containing one element independently selected from among N, O, S, S(O) and S(O)2; or
R31'1 dénotés a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2;
each of the rings optionally substituted with one or two substituents independently selected from among HO-, O=, halogen, NC-, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3 5, R3 6
7 3 8 and R or two substituents are together R · .
3 1 d 3L d
Preferred are the above compounds of formula 1, wherein R is R and R ' is independently selected from among H, R3 4 and Ci-6-alkyl-, optionally substituted with one or two substituents independently selected from among R -; and
R311 is a ring independently selected from among phenyl and a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2;
each of the rings optionally substituted with one or two substituents independently selected from HO-, O=, halogen, NC-, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3 5, R3 6 and R3'7.
32 3231
Preferred are the above compounds of formula 1, wherein R is R a and R a is R
32b 32b31b
Preferred are the above compounds of formula 1, wherein R is R ' and R is R '
Preferred are the above compounds of formula 1, wherein R3'2 is R3 2c and R3'2c is phenyl.
3 2 d3 2 d
Preferred are the above compounds of formula 1, wherein R is R and R is a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)î; each ring optionally substituted with one or two substituents independently selected from among HO-, O=, NC-,
-2817445 halogen, R33, R33O-, R3 3-(O)C-, R3'4, R3 5, R3'6 and R3 7 or two substituents are together R38.
Preferred are the above compounds of formula 1, wherein R3 2 is R32e and two R32e are together a three-, four-, five- or six-membered monocyclic or a six-, seven-, eight-, nine- or ten-membered bicyclîc heterocyclic or heterocyclic ring optionally contaîning additional to the nitrogen one or two éléments independently selected from among N, O, S, S(O) and S(O)2; optionally substituted with one or two substituents, independently selected from among HO-, F, O=, NC-, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3'5, R3 7 and R3 6 or two substituents are together R .
Preferred are the above compounds of formula 1, wherein R ' is R ' and two R ' are together a three-, four-, five- or six-membered heterocyclic or heteroaryl ring optionally contaîning additional to the nitrogen one or two éléments independently selected from among N, O, S, S(O) and S(O)2; optionally substituted with one or two substituents, independently selected from the group consisting of HO-, F, O=, NC-, R33, R33O-, R33(O)C-, R3 4, R3 5, R3 7, R3 6 or two substituents are together R3 8.
32 32
Preferred are the above compounds of formula 1, wherein R is R Ë and two R e are together a six-, seven-, eight-, nine- or ten-membered bicyclic heterocyclic or heteroaryl ring optionally contaîning additional to the nitrogen one or two éléments independently selected from the group consisting of N, O, S, S(O) and S(O)2; optionally substituted with one or two substituents, independently selected from the group consisting of HO-, F, O=, NC-, R3 3, R33O-, R33-(O)C-, R3 4, R3 s, R3 7 and R3 6 or two substituents are together R3 8.
Preferred are the above compounds of formula 1, wherein R is R ' and R îs selected from the group consisting of H, Me, Et, n-Pr, i-Pr and cyclopropyl.
Preferred are the above compounds of formula 1, wherein R33 is R3 3 a and R33a is selected from the group consisting of Me, Et, n-Pr, i-Pr, n-Bu, t-Bu, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, F3C-, F2HC-, F3C-CH2-, F2HC-CH2- and FH2C-CH2-.
-2917445
Preferred are the above compounds of formula 1, wherein R34is R3'4a and R34a is selected from the group consisting of HO-CH2-, HO-CH2-CH2-, HO-CH2-CH2-CH2-, R33aO-CH2-, R3 3 aO-CH2-CH2- and R3 3 aO-CH2- CH2-CH2-.
Preferred are the above compounds of formula 1, wherein R is R and R is selected from the group consisting of HO-CH2-, HO-CH2-CH2-, HO-CH2-CH2-CH2-, MeO-CH2-, MeO-CH2-CH2-, MeO-CH2-CH2-CH2-, EtO-CH2- EtO-CH2-CH2- and EtO-CH2-CH2-CH2-.
Preferred are the above compounds of formula 1, wherein R3’5 is R3 S a and R3 S a is selected from the group consisting of H2N-, R33 ΉΝ-, (R33a)2N-, R33 a (O)C-HN- and R3 3 a-(O)C-(R3 3 a)N-.
Preferred are the above compounds of formula 1, wherein R3 5 is R3 5 b and R35b is selected from the group consisting of H2N-, MeHN-, (Me)2N-, EtHN-, (Et)2N-, i-PrHN-, (i-Pr)(Me)N-, t-BuHN-, (t-Bu)(Me)N-, Me(O)C-HN-, Et(O)C-HN-, n-Pr(O)C-HN-, i-Pr(O)C-HN- and t-Bu(O)C-HN-,
Preferred are the above compounds of formula 1, wherein R3'6 is R3'6-® and R3'6-® is selected from the group consisting of R3 3 a(O)S-, R33 a(O)2S-, R33a(HN)S-, R3 3 a(HN)(O)S-, R33a(R33 aN)S-, R33 a(R33 aN)(O)S-, R33 a(R3'4 aN)S-, R33a(R34aN)(O)S-, R33a(NC-N)Sand R3 3 a(NC-N)(O)S-,
Preferred are the above compounds of formula 1, wherein R3’6 îs R3 6 b and R3 6 b is selected from the group consisting of Me(O)S-, Et(O)S-, i-Pr(O)S-, Me(O)2S-, Et(O)2S-, i-Pr(O)2S-, Me(HN)S-, Et(HN)S-, i-Pr(HN)S-, Me(HN)(O)S-, Et(HN)(O)S-, î-Pr(HN)(O)S-, Me(MeN)S-, Et(MeN)S-, i-Pr(MeN)S-, Me(MeN)(O)S-, Et(MeN)(O)S-, i-Pr(MeN)(O)S-, Me(HOCH2CH2N)S-, Et(HOCH2CH2N)S-, i-Pr(HOCH2CH2N)S-, Me(HOCH2CH2N)(O)S-, Et(HOCH2CH2N)(O)S-, i-Pr(HOCH2CH2N)(O)S-, Me(MeOCH2CH2N)S-, Et(MeOCH2CH2N)S-, i-Pr(MeOCH2CH2N)S-, Me(MeOCH2CH2N)(O)S-, Et(MeOCH2CH2N)(O)S-and i-Pr(MeOCH2CH2N)(O)S-,
-3017445
Preferred are the above compounds of formula 1, wherein R3'7 is R3'7a and R3 7 a is selected from the group consisting of HO(O)C-, H2N(O)C-, R3 3 aO(O)C-, R3 3 aNH(O)C- and (R33a)2N(O)C-,
37b 37b s Preferred are the above compounds of formula 1, wherein R is R and R ' is selected from the group consisting of HO(O)C-, H2N(O)C-, MeO(O)C-, Et0(O)C-, i-PrO(O)C-, t-BuO(O)C-, MeNH(O)C-, EtNH(O)C-, i-PrNH(O)C-, t-BuNH(O)C-, (Me)2N(O)C-, (Et)2N(O)C-, (i-Pr)(Me)N(O)C-, (t-Bu)(Me)N(O)C-, Et(Me)N(O)C-, i-Pr(Me)N(O)C- and t-Bu(Me)N(O)C-,
Preferred are the above compounds of formula 1, wherein R3 8 is R3 8 a and R3 8 a is independently selected from the group consisting of -CH2-, -CH2CH2-, -CH2CH2CH2-, -CH2CH2CH2CH2- and -CH2CH2CH2CH2CH2-, wherein optionally one or two CH2-groups are independently replaced by a group selected from among -HN-, -MeN-, -EtN-,
-(Me(O)C-)N-, -(Et(O)C-)N-, -(MeO(O)C-)N-, -(EtO(O)C-)N-, -O-, -S-, -S(O)- and
-S(O)2-,
3 8 h 38 h
Preferred are the above compounds of formula 1, wherein R isR and R is selected from the group consisting of -CH2-, -CH2CH2-, -CH2CH2CH2-, -CH2CH2CH2CH2- and
-CH2CH2CH2CH2CH2-, wherein optionally one or two CH2-groups are independently replaced by a group selected from among -HN-, -MeN-, -EtN-, -O-, -S-, -S(O)- and -S(O)2-.
Preferred are the above compounds of formula 1, wherein A is Aa and Aa is -CH2-, optionally substituted with one or two substituents independently selected from the group consisting of halogen, R3’3, R3 3O- and R3'4 or two substituents together are -CH2CH2-.
Preferred are the above compounds of formula 1, wherein A is Ab and Ab is -CH2-, optionally substituted with one or two substituents independently selected from the group consisting of F, Me, Et, Î-Pr, MeO, EtO, HOCH2O- and MeOCH2-.
Preferred are the above compounds of formula 1, wherein A is Ac and Ac is -CH2- or -CHMe-,
-3117445
Preferred are the above compounds of formula 1, wherein A is Ad and Ad is -CH2-.
Preferred are the above compounds of formula 1, wherein R4 is R4 a and R4 a is selected from the group consisting of halogen, Ci^-alkyl-, C3.6-cycloalkyl-, C|.6-haloalkyl- and Ca-s-halocycloalkyl.
Preferred are the above compounds of formula 1, wherein R4 is R4 b and R4 b is F, Me.
Preferred are the above compounds of formula 1, wherein R4 is R4c and R4 c is C].6-alkyl-. Particularly preferred are the above compounds of formula 1, wherein R4 is R4 c and R4 c is Me.
Preferred are the above compounds of formula 1, wherein m is 0.
Preferred is a compound of formula 1, wherein
R1 is Rl b and RI b is phenyl or pyridinyl; each ring optionally substituted by one, two or three residues independently selected from the group consisting of halogen, NC-, 20 R1·1, R1 3(O)S- and R13(O)2S-;
R2 is R2 b and R2 b is phenyl or a six-membered heteroaryl; wherein one or two éléments are replaced by N; each ring optionally substituted with a substituent independently selected from the group consisting of halogen, Ct^-alkyl- and
C).|-haloalkyl-;
R3 is a residue independently selected from the group consisting of • R31-;
• R3 2O(O)C- or R3 2O(O)C-CH2-;
3ü · R32(O)2S-;
• (R3 2)2N(O)C- and • (R32)2N(O)C-CH2-,
-3217445
R31 is independently selected from the group consisting of H, R3 3, R3 4, Ci-é-alkyl-Cî-b-cycloalkyl- and Cv6-cycloalkyl-Ci6-alkyl-, each optionally substituted with one or two substituents independently selected from R
R311 is selected from the group consisting of HO-, halogen, NC-, R3 3O-, R3'5, R3 6 and R3 7 or
R311 dénotés a ring independently selected from among phenyl and a four-membered heterocyclic ring containing one element independently selected from among N, O, S, S(O) and S(O)2;
or
R311 dénotés a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2;
each of the rings as defined for R311 is optionally substituted with one or two substituents independently selected from among HO-, O=, halogen, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3 5, R3 6 and R3 7 or two substituents are together R3’8;
R3·2 îs independently selected from R3 phenyl or a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2; each ring optionally substituted with one or two substituents independently selected from among HO-, O=, NC-, halogen, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3'5, R3 6 and R or two substituents are together R ;
or two R are together a five- or six-membered monocyclic or a eight-, nine- or ten-membered bicyclic heterocyclic or heteroaryl ring optionally containing additional to the nitrogen one or two éléments independently selected from among N, O, S, S(O) and S(O)2; optionally substituted with one or two substituents, independently selected from among HO-, F, O=,
-3317445
R33, R3 3O-, R33-(O)C-, R3'4, R3’5, R3 7 and R3 6 or two substituents are together R3'8;
R33 is independently selected from the group consisting of C].6-alkyl-, C3-6-cycloalkyl-, Ci.6-haloalkyl- and Cj-ô-halocycloalkyl;
R3 4 is HO-Ci-6-alkyI- or R3 3-O-Ci.6-alkyl-;
R3'5 is independently selected from the group consisting of H2N-, R33-HN-, (R3 3)2N- and R3 3-(O)C-HN-;
R3'6 is independently selected from the group consisting of R3 3-(O)S-, R3 3(O)2S-, R33(HN)S-, R3 3(HN)(O)S-R33(R33N)S-, R3 3(R33N)(O)S-, R3 3(R3 4N)S- and R33(R3 4N)(O)S-;
R3 7 is independently selected from the group consisting of HO(O)C-, H2N(O)C-, R3 3-O-(O)C-, R33-NH-(O)C- and (R3 3)2N-(O)C-;
R3'8 is independently selected from the group consisting of Cj^-alkylene or C].6-haloalkylene, wherein optionally one or two CH2-groups are replaced by a group selected from among -HN-, -(R33)N-, -(R3,4)N-, -(R33(O)C-)N-, -(R3 4(O)C-)N-, -O-, -S-, -S(O)- and -S(O)2-;
R4 is independently selected from among halogen and Cj-s-alkyl-.
m is 0, 1 or 2; preferably 0;
or a sait thereof.
Preferred is a compound of formula 1, wherein
R1 is Rl d and Rl d is phenyl or pyridinyl; each ring optionally substituted by one, two or three residues independently selected from the group consisting of F, Cl, Br-, NC-, Me, Me(O)2S-, Et(O)2S- and Me(O)S-.
-3417445
R2 is R2 c and R2 c is phenyl or pyridinyl; each optionally substituted with a substituent independently selected from the group consisting of halogen, Ci.4-alkyl- and Ci-4-haloalkyl-;
R3 is selected of the examples (E#) 1 to 59 of the Table 1 R3 - Embodiments ofthe invention; or
R3 Îs independently selected from among HO(O)C-H2C-, MeO(O)C-H2C-, H2N(O)CH2C-, MeHN(O)C-H2C-, Me2N(O)C-H2C-, morpholinyl-(O)C-H2C-, azetidinyl-(O)C-H2C-, pyrrolidinyl-(O)C-H2C-, MeHN(O)C-, EtHN(O)C-, HO(CH2)2HN(O)C- and
HO(CMe2)(CH2)HN(O)C-;
R4 is Ci-6-alkyl;
m is 0, 1 or 2;
or a sait thereof.
Preferred is a compound of formula 1, wherein
R1 is Rl e and RI e is phenyl or pyridinyl; each ring optionally substituted by one or two residues independently selected from among NC-, Me(O)S-, Me(O)2S and Et(0)2S;
R2 is R2 '1 and R2 d is phenyl or pyridinyl; each optionally substituted with a substituent independently selected from the group consisting of F3C- and F2HC-;
R is selected from among the examples (E#) 1 to 59 of the Table 1 R - Embodiments of the invention; or
R3 is independently selected from among HO(O)C-H2C-, MeO(O)C-H2C-, H2N(O)C-H2C-, MeHN(O)C-H2C-, Me2N(O)C-H2C-, morpholinyl-(O)C-H2C-, azetidinyl-(O)C-H2C-, pyrrolidinyl-(O)C-H2C-, MeHN(O)C-, EtHN(O)C-,
HO(CH2)2HN(O)C-, HO(CMe2)(CH2)HN(0)C-, HO(CH2)3HN(O)C-,
Me(O)S(CH2)2HN(O)C-, Me(O)2S(CH2)2HN(O)C-, Et(O)2S- and Me(O)2S-.
-3517445 m is 0;
or a sait thereof.
Preferred is a compound of formula l, wherein
Rl is Rl e and Rl e is phenyl or pyridinyl; each ring optionally substituted by one or two residues independently selected from among NC-, Me(O)S-, Me(O)2S and Et(O)2S;
R2 is R2 d and R2 d is phenyl or pyridinyl; each optionally substituted with a substituent independently selected from among F',C- and F2HC-;
R3 is one of the examples (E#) 2,4, 5, 6, 7, 11, 12, 16, 17, 21, 22, 23, 27,28, 29, 30, 31, 32, 33, 37, 43, 48 selected from among the examples of the Table 1 R3 Embodiments of the invention; or
R3 is independently selected from among HO(O)C-H2C-, MeO(O)C-H2C-, H2N(O)C-H2C-, MeHN(O)C-H2C-, Me2N(O)C-H2C-, morpholinyl-(O)C-H2C-, azetidinyl-(O)C-H2C-, pyrrolidinyl-(O)C-H2C-, MeHN(O)C-, EtHN(O)C-, HO(CH2)2HN(O)C-, HO(CMe2)(CH2)HN(O)C-, HO(CH2)3HN(O)C-, Me(O)S(CH2)2HN(O)C-, Me(O)2S(CH2)2HN(O)C-, Et(O)2S- and Me(O)2S-.
m is 0;
or a sait thereof.
Preferred is a compound of formula 1, wherein
R1 is Rl e and R1 e is phenyl or pyridinyl; each ring optionally substituted by one or two residues independently selected from among NC-, Me(O)S-, Me(O)2S and Et(O)2S;
R2 is R2 d and R2 d is phenyl or pyridinyl; each optionally substituted with a substituent independently selected from the group consisting of F3C- or F2HC-;
-3617445
R3 isoneoftheexamples (E#)2, 5, 6, 11, 16, 17, 21, 22, 23, 27, 33, 37, 43, 48 selected from among the examples of the Table 1 R3 - Embodiments of the invention; or
R3 is independently selected from among HO(O)C-H2C-, MeO(O)C-H2C-, H2N(O)C-H2C-, MeHN(O)C-H2C-, Me2N(O)C-H2C-, morpholinyl-(O)C-H2C-, azetidinyl-(O)C-H2C-, pyrrolidinyl-(O)C-l fC-, MeHN(O)C-, EtHN(O)C-, HO(CH2)2HN(O)C-, HO(CMe2)(CH2)HN(O)C-, HO(CH2)3HN(O)C-, Me(O)S(CH2)2HN(O)C-, Me(O)2S(CH2)2HN(O)C-, Et(O)2S- and Me(O)2S-, m is 0;
or a sait thereof.
Preferred is a compound of formula 1, wherein R3 is a residue independently selected from the group consisting of . R31-;
• R32O(O)C- or R3 2O(O)C-CH2-;
• R3 2(O)2S- and • (R3 2)2N(O)C- or (R3 2)2N(O)C-CH2-;
R3'1 is independently selected from the group consisting of H, R3'3, R3 4, Cj-ô-alkyl-Cî^-cycloalkyl-, C3^-cycloalkyl-Ci^-alkyl-, each optionally substituted with one or two substituents independently selected from R3 l l-;
R31 1 is selected from the group consisting of HO-, halogen, NC-, R3 3O-, R3 5, R3 6 and R3'7 or
R31 1 dénotés a ring independently selected from among phenyl and a four-membered heterocyclic ring containing one element independently selected from N, O, S, S(O) and S(O)2;
R3·1·1 dénotés a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from N, O, S, S(O) and
S(O)2; each of the rings optionally substituted with one or two substituents
-3717445 independently selected from HO-, O=, halogen, R33, R3 3O-, R3 3-(O)C-, R34,
R3’5, R3'6 and R3'7 or two substituents are together R3'8;
R3'2 is independently selected from R3 phenyl or a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2; each ring optionally substituted with one or two substituents independently selected from HO-, O=, NC-, halogen, R13, R3 3O-, R3 3-(O)C-, R3 4, R35, R3 6 and R3 7 or two substituents are together R3 8;
or two R3 2 are together a five- or six-membered monocyclic or a eight-, nine- or tenmembered bicyclic heterocyclic or heteroaryl ring optionally containing additional to the nitrogen one or two éléments independently selected from among N, O, S, S(O) and S(O)2; optionally substituted with one or two substituents, independently selected from HO-, F, O=, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3 5, R3 7 and R3 6 or two substituents are together R3’8;
R3 3 is independently selected from the group consisting of Ci-6-alkyl-, Ci.;>-cycloalkyl-, C|_6-haloalkyl- and Cj^-halocycloalkyl;
R3 4 is HO-C^-alkyl- or R3 3-O-Ci.6-alkyl-;
R3'5 is independently selected from the group consisting of H2N-, R3 3-HN-, (R3 3)2Nand R3 3-(O)C-HN-;
R ' is independently selected from the group consisting of R ‘ -(O)S-, R -(O)2S-, R3 3(HN)S-, R3 3(HN)(O)S-R3 3(R3 3N)S-, R3 3(R3 3N)(O)S-, R33(R14N)S- and R33(R34N)(O)S-;
R3 7 is independently selected from the group consisting of HO(O)C-, H2N(O)C-, R3 3-O(O)C-, R3 3-NH-(O)C- and (R3 3)2N-(O)C-;
R3 8 is independently selected from the group consisting of C, «alkylene or C].û-haloalkylene, wherein optionally one or two CH2-groups are replaced by -HN-, -(R3 3)N-, -(R3 4)N-, -(R3 3(O)C-)N-, -(R3 4(O)C-)N-, -O-, -S-, -S(O)- and -S(O)2-;
or a sait therof. cV'
-3817445
Preferred is a compound of formula 1, wherein
R1 is independently selected from the group consisting of formulas (a) to (d)
(c) and
R2 is independently selected from the group consisting of Phenyl-CF3, Phenyl-CHF2and Pyridinyl-CF3-, preferably selected from the group consisting of formulas (e) to (g)
and
R3 is hydrogen or independently selected from the group consisting of Me, NC-CH2-, Me(O)2S-, MeHN(O)C-, EtHN(O)C-, cyclo-PrHN(O)C-, HO(CH2)2HN(O)C-, HO(CMe2)(CH2)HN(O)C- and HO(CH2)3HN(O)C-.
Preferred of ail of the above mentioned embodiments of the invention is a compound of formula 1, wherein configuration of formula 1 is according to formula Γ
or a sait thereof. JJ
-3917445
PREPARATION
The compounds according to the présent invention and their intermediates may be obtained using methods of synthesis which are known to the one skilled in the art and described in the literature of organic synthesis. Preferably, the compounds are obtained in analogous fashion to the methods of préparation explained more fully hereinafter, in particular as described in the experimental section. In some cases, the order in carrying out the reaction steps may be varied. Variants of the reaction methods that are known to the one skilled in the art but not described in detail here may also be used. The general processes for preparing the compounds according to the invention will become apparent to the one skilled in the art studying the following schemes. Starting materials are commercially available or may be prepared by methods that are described in the literature or herein, or may be prepared in an analogous or similar manner. Any functional groups in the starting materials or intermediates may be protected using conventional protecting groups. These protecting groups may be cleaved again at a suitable stage within the reaction sequence using methods familiar to the one skilled in the art.
Compounds of the invention VI are accessible using the synthetic route illustrated in Scheme I ; R1, RE ', RE2 hâve the meanings as defined hereinbefore and hereinafter.
SCHEME 1
-4017445
Intermediates II (Step A, intermediate I —> intermediate II) can be prepared as described in Vovk et al. (Synlett 2006, 3, 375-378) or in PL2004/369318, by heating an aliphatic or aromatic aldéhyde I with a carbamate, for example methyl carbamate, ethyl carbamate (urethane) or benzyl carbamate in the presence of a strong Brensted or a Lewis acid, for example sulfuric acid, hydrogen chloride, p-toluencsulfonic acid, Amberlyst 15, tetrafluoroboric acid, trifluoroacetic acid or boron trifluoride, either without solvent as a melt or in a suitable solvent, such as benzene, toluene, acetonitrile, diethyl ether, chloroform, acetic anhydride or mixtures thereof. The reaction takes place within l to 24 hours. Preferred reaction températures are between room température and 160 °C, or the boiling point of the solvent, respectively. Preferably the reaction is done with molten ethyl carbamate as reactant and a catalytic amount of concentrated sulfuric acid at températures of l40-160°C without any additional solvent.
The chlorination (Step B, intermediate II —> intermediate III) can be done as described in Vovk et al. (Synlett 2006, 3, 375-378) and Sînitsa et al. (J. Org. Chem. USSR 1978, 14, 1107) by heating intermediate II together with a chlorinating agent, for example phosphorous pentachloride, phosphoryl chloride or sulfuryl chloride in an organic solvent, for example benzene or toluene. The reaction takes place within 1 to 24 hours. Preferred reaction températures are between 50 °C and 150 °C.
Altematively, intermediates III can be prepared as described in Jochims et al. (Chem. Ber. 1982, 115, 860-870) by α-halogenation of aliphatic isocyanates, for example benzyl isocyanate, using for example a bromînation agent, for example Λ-bromosuccinimidc. Isocyanates can be synthesized as described in US6207665 and in Charalambides et al. (Synth. Commun. 2007, 37, 1037-1044), by reacting an amine precursor with phosgene.
Intermediates V (Step C, intermediate IV —> intermediates V) can be prepared as described in Chen et al. (Synth. Commun. 2010, 40, 2506-2510) and Tietcheu et al. (J. Heterocyclic Chem. 2002,39, 965-973) by reacting cyclopentane-l,3-dione (IV) and an aliphatic or aromatic amine in the presence of a catalyst, for example Ytterbium triflate [Yb(OTf)3] or an acid, for example hydrogen chloride or p-toluenesulfonic acid, optionally in a solvent, for example water, acetic acid, acetonitrile, benzene, toluene. The reaction takes place
-4117445 within l -24 hours. Preferred reaction températures are between room température and
120 °C, most preferred room température.
Altematively, ïntermediates V can be prepared as described in Scott et al. (J. Med. Chem.
1993, 36, 1947-1955) by direct condensation of the 1,3-dicarbonyl compound with an amine under reflux in a suitable solvent, for example benzene or toluene with azeotropic removal of water. Altematively, ïntermediates V can be prepared as described in Mariano et al. (J. Org. Chem. 1984, 49, 220-228) by reacting an amine with 3-chloro-2-cyclopenten-lone, which can be prepared from cyclopentane-!,3-dione.
Compounds according to the présent invention (Step D, ïntermediates III —> compounds of the invention VI) can be prepared as described in Vovk et al. (Synlett 2006, 3, 375-378), Vovk et al. (Russ. J. Org. Chem. 2010, 46, 709-715) and Kushnir et al. (Russ. J. Org. Chem. 2011, 47, 1727-1732) by reacting ïntermediates III with ïntermediates V in an organic solvent, for example dichloromethane, chloroform, benzene or toluene. The reaction takes place within 1-24 hours. Preferred reaction températures are between 0 °C and 100 °C.
Compounds according to the présent invention VII, VIII, IX, X and XI are accessible via the synthetic routes depicted în scheme 2; R11, R111, R1V, Rv, RE!, RE2, RE3 hâve the meanings as defined hereinbefore and hereinafter.
-4217445
SCHEME 2
Compounds of the invention VII (Step E, compounds of the invention VI compounds of the invention VII, RE3 = alkyl or substituted alkyl) can be prepared as described in W004024700 by reacting compounds of the invention VI with an alkylating agent, for example a dialkyl sulfate, for example dîmethyl sulfate, an alkyl halide, for example methyl iodide or an alkyl sulfonylate, for example bcnzyl tosylate, in the presence of a suitable io base, for example sodium hydride, sodium hydroxîde, césium carbonate, lithium diisopropylamide, potassium hexamethyldisilazîde, lithium hexamethyldisîlazide, an organolithium reagent, for example ieri-butyllithium or a Grignard reagent, for example îsopropylmagnesiumchloride, in an organic solvent, for example tetrahydrofuran, jVJV-dimethylformamide, acetonitrile, l ,4-dioxane, dichloromethane or toluene. The i5 reaction takes place within 1-72 hours. Preferred reaction températures are between 0 °C and 100 °C.
-4317445
Compounds of the invention VIII (Step F, compounds of the invention VI compounds of the invention VIII) can be prepared in analogy to compounds of the invention VII (Step
E, compounds of the invention VI —> compounds of the invention VII), using an s appropriate alkyl haloacetate as alkylating agent, for example methyl bromoacetate.
Compounds of the invention IX (Step G, compounds of the invention VIII -> compounds of the invention IX) can be prepared as described in W004024700, by reacting compounds of the invention VIII with water in the presence of a suitable base, for example sodium hyîo droxide, potassium hydroxide, caesium hydroxide, lithium hydroxide, sodium carbonate, potassium carbonate, sodium methoxide or sodium ethoxide in a suitable solvent, for example water, methanol, éthanol, propanol, ΛζΝ-dimethylformamide, tetrahydrofuran, 1,4-dioxane, acetonitrile or mixtures thereof. The reaction takes place within 1-72 hours. Preferred reaction températures are between 0 °C and 100 °C.
The amide coupling (Step H, compounds of the invention IX —> compounds of the invention X) can be achieved by reacting the carboxylic acid intermediate IX with amines RinNH2 or RniRlvNH in the presence of an amide coupling reagent, for example -tetramethyl-0-(benzotriazol-l-yl)uronium tetrafluoroborate (TBTU) or /V,..'V.;V',A'-tctramethyl-(')-(bcnzotna/.ol-1 -yl)uronium hexafluorophosphate (HBTU), in the presence of a base, for example triethylamine, ALV-diisopropylcthylamine or A'-mcthylmorpholinc in an organic solvent, for example 7V-methyl-2-pyrrolidone .'V,A;-dimethyl formamide, A’.A'-dimctliylacetamide or mixtures thereof. The reaction takes place within 1-72 hours. Preferred reaction températures are between 0 °C and 50 °C, most preferred room température.
Compounds of the invention XI (Step J, compounds of the invention VI —> compounds of the invention XI, Rv = alkyl or aryl) can be prepared as described in WO07137874, by reacting compounds of the invention VI with a sulfonylating agent, for example methane30 sulfonyl chloride or para-toluenesulfonyl chloride in the presence of a base, for example sodium hydride, lithium diisopropylamide, potassium hexamethyldisilazide, lithium hexa- Jj—'
-4417445 methyldisilazide, an organolithium reagent, for example terr-butyllithium or a Grignard reagent, for example iso-propylmagnesiumchloride, in an organic solvent, for example tetrahydrofuran, AQV-dimethylfonnamide, acetonitrile, l,4-dioxane or dichloromethane. The reaction takes place within l-72 hours. Preferred reaction températures are between 0 °C and room température.
Compounds according to the présent invention XIII and XIV are accessible via the synthetic routes depicted in scheme 3; RIM, Rtv,Rvl, REl, RE2 hâve the meanings as defined hereinbefore and hereinafter.
SCHEME 3
VI
XII
Intermediates XII (Step K, compounds ofthe invention VI —> intermediates XII) can be prepared as described in W009080199, by reacting compounds of the invention VI with
4-nitrophenyl chloroformate in the presence of a base, for example triethylamine, AQV-diisopropylethylamine or V-methylmorpholine, optionally in the presence of a catalyst, for example 4-dimethylamînopyridine, in an organic solvent, for example dichloromethane, tetrahydrofuran, acetonitrile or 7V,V-dîmethylformamide. The reaction takes place within
-4517445
1- 24 hours. Preferred reaction températures are between 0 °C and 50 °C, most preferred room température.
Compounds of the invention XIII (Step L, intermediates XII —> compounds of the invention XIII) can be prepared as described in W009080199, by reacting intermediates XII with an amine RllINH2 or RniRlvNH in an organic solvent, for example dichloromethane, acetonitrile, tetrahydrofuran, 1,4-dioxane, toluene or /V./V-dimethyl formamide. The reaction takes place within 1-72 hours. Preferred reaction températures are between 0 °C and 50 °C, most preferred room température.
Compounds of the invention XIV (Step M, compounds of the invention VI —> compounds of the invention XIV) can be prepared as described in W007046513 or JP2000273087, by reacting compounds of the invention VI with a suitable chloroformate ClCO2RVi, for example methyl chloroformate or benzyl chloroformate, in the presence of a suitable base, for example potassium carbonate, sodium hydride, sodium hydroxide, césium carbonate, lithium diisopropylamide, potassium hexamethyldisilazide, lithium hexamethyldisilazide, an organolithium reagent, for example ter/-butyllithium or a Grignard reagent, for example isopropylmagnesiumchloride, in an organic solvent, for example tetrahydrofuran, TVYdimethylformamide, acetonitrile, 1,4-dioxane, dichloromethane or toluene. The reaction takes place within 1-72 hours. Preferred reaction températures are between 0 °C and 100 °C.
Altematively, compounds of the invention XIV (Step N, intermediates XII —» compounds of the invention XIV) can be prepared as described in WO03101917 or WO11085211, by reacting intermediates XII with a suitable alcohol, for example methanol, iso-propanol,
2- methoxyethanol or benzyl alcohol, in the presence of a suitable base, for example potassium carbonate, potassium teri-butoxide or sodium hexamethyldisilazide in an organic solvent, for example tetrahydrofuran, .V,.V-dimethylformamide, acetonitrile, dichloromethane or dimethylsulfoxide. The reaction takes place within 1-72 hours. Preferred reaction températures are between 0 °C and 100 °C, most preferred room température.
-4617445
Additionally to the synthetic route depicted in Scheme l, compounds of the invention VI are also accessible using the synthetic route depicted in Scheme 4, RE RE2 hâve the meanings as defined hereinbefore and hereinafter.
SCHEME 4
Step O
Step P
XV
Step Q
XVII
O
V
Step R
VI
Intermediates XV (Step O, intermediate I intermediate XV) can be prepared as described in Best et al. (J. Am. Chem. Soc. 2012, 134, 18193-18196) or in Yang et al. (Org. Synth. 2009, 86, 11-17), by reacting an aromatic aldéhyde I with a suitable sulfinate, for example sodium benzenesulfinic acid, and a suitable carbamate, for example methyl carbamate or tert-butyl carbamate, in the presence of a suitable acid, for example formic acid, in a suitable solvent, for example tetrahydrofuran, éthanol, methanol or a mixture of solvents, for example tetrahydrofuran and water. Altematively, as described in Reingruber et al. (Adv. Synth. Catal. 2009, 351, 1019-1024) or in W006136305, a suitable lewis acid, for example trimethylsilyl chloride, can be used as acid and acetonitrile or toluene can be used as solvent. The reaction takes place within 1-6 days. Preferred reaction températures are between 0 °C and 50 °C, most preferred room température.
Intermediates XVI (Step P, intermediate XV -> intermediate XVI) can be prepared in analogy to the method described for the préparation of compounds of the invention VI (Scheme 1, Step D, intermediate III -> compound of the invention VI), by reacting intermediates XV with intermediates V in the presence of a suitable base, for example sodium
-4717445 hydride or sodium im-buloxidc, in a suitable organic solvent, for example tetrahydrofuran or 2-methyltetrahydrofuran. The reaction takes place within l -24 h. Preferred reaction températures are between 0 °C and 50 °C, most preferred room température.
Intermediates XVII (Step Q, intermediate XVI —> intermediate XVII) can be prepared by reacting intermediates XVI with a suitable acid, for example hydrogen chloride, in a suitable solvent, for example l ,4-dioxane. The reaction takes place between 1 -72 hours. Preferred reaction températures are between 0 °C and room température, most preferred room température.
Compounds of the invention VI (Step R, intermediate XVII —> compound of the invention VI) can be prepared as described in Csütôrtoki et al. (Tetrahedron Lett. 2011, 67, 85648571) or in WO11042145, by reacting intermediates XVII with a suitable reagent, for example phosgene, triphosgene or carbonyl diimidazole, in the presence of a suitable base, for example triethyl amine, .V,.V-diisopropylethyl amine, pyridine or sodium carbonate, in a suitable solvent, for example acetonitrile, dichloromethane or toluene. The reaction takes place between 1-72 hours. Preferred reaction températures are between 0 °C and 50 °C, most preferred room température.
PRELIMINARY REMARKS
The term room température dénotés a température of about 20 °C. As a rule, 'H NMR spectra and/or mass spectra hâve been obtained of the compounds prepared. Compounds given with a spécifie configuration at a stereocenter are isolated as pure isomers.
The rétention times given are measured under the following conditions (TFA: trifluoroacetic acid, DEA: diethylamine, scCO?: supercritical carbon dioxide):
-4817445
Method Name: | V011S01 | |||
Column: | XBridge Cl8,4.6 x 30 mm, 3.5 pm | |||
Column Supplier: | Waters | |||
Gradient/Solvent Time [min] | % Solvent [H2O, o.i%nh3] | % Solvent [acetonitrile] | | Flow .^[ml/min] | Temp [°C] |
0.0 | 97 | 3 | 5 | 60 |
0.2 | 97 | 3 | 5 | 60 |
1.6 | 0 | 100 | 5 | 60 |
1.7 | 0 | 100 | 5 | 60 |
Method Name: V012_S01 | ||||
Column: | XBridge C18, 4.6 x 30 mm, 3.5 pm | |||
Column Supplier: | Waters | |||
Gradient/Solvent Time [min] | % Solvent [H2O, 0.1%TFA] | % Solvent [acetonitrile] τ | Flow - [ml/min] *· ’ ..... | : Temp [°C] |
0.0 | 97 | 3 | 5 | 60 |
0.2 | 97 | 3 | 5 | 60 |
1.6 | 0 | 100 | 5 | 60 |
1.7 | 0 | 100 | 5 | 60 |
Nfâhod Namé:: ÿ - | WQ18 S01 | |||
Sunfire C18, 4.6 x 30 mm, 2.5 pm | ||||
Waters | ||||
Gradiehl/SoÎvcnt ’ Time [min] | % Solvent [H20,0.1%TFA] | % Solvent [acetonitrile] | Flow [ml/min] | -S· Température [°C] |
0.0 | 97 | 3 | 4 | 60 |
0.15 | 97 | 3 | 3 | 60 |
2.15 | 0 | 100 | 3 | 60 |
2.20 | 0 | 100 | 4,5 | 60 |
2.40 | 0 | 100 | 4,5 | 60 |
-4917445
X012 SOI
Xbridge BEH Cl8, 2.1 x 30 mm, 1,7 μιη
Water s
Gradient/Solvent S-Time [min] | % Solvent [H20,0.1%TFA] | i % Solvent [acetonitrile] | ÎL Flow | |
0,0 | 99 | 1 | 1.6 | 60 |
0.02 | 99 | 1 | 1.6 | 60 |
1.00 | 0 | 100 | 1.6 | 60 |
1.10 | 0 | 100 | 1.6 | 60 |
Col
Column Supplier: Waters | ||||
Gradient/Solvent ‘X Time [min] - | STiÆuri >;% Solvent^ [H20,0.1%NH3] | % Solvent ^\£tneth^iol] ί | Flow Ύ [ml/min]' | Température 7 Xi rc) y |
0.0 | 95 | 5 | 1.9 | 60 |
0.20 | 95 | 5 | 1,9 | 60 |
1.55 | 0 | 100 | 1,9 | 60 |
1.60 | 0 | 100 | 2.4 | 60 |
1.80 | 0 | 100 | 2.4 | 60 |
Z011 S03 | ||||
Ççfe»àia^iA. .- -½ sæÿa&i | XBridge C18, 3 x 30 mm, 2.5 pm | |||
Waters | ||||
% Solvent ^¾. [H20,0.1%NH3] | ft/ΰτ t- % Solvent nacetonitrilel^ | l y Flow [ml/min] Cg | > Température- | |
0.00 | 97 | 3 | 2.2 | 60 |
0.20 | 97 | 3 | 2.2 | 60 |
1.20 | 0 | 100 | 2.2 | 60 |
1.25 | 0 | 100 | 3 | 60 |
1.40 | 0 | 100 | 3 | 60 |
-5017445
Z017S04 | ||||
ZORBAX™ SB-Ci8, 3 x 30 mm, 1.8 pm | ||||
afttagawfr gjfegfiMaafeffi· ά· '.v >-? -’^-gaga^g-g^yi | Agilent | |||
Gradient/Solvent Time [min] | % Solvent [H2O, 0.1°/oTFA] | % Solvent [acetonitrile]]® | |H||· Flow^'G®® [ml/min] ® | H- Température [°C] |
0.00 | 97 | 3 | 2.2 | 60 |
0.20 | 97 | 3 | 2.2 | 60 |
1.20 | 0 | 100 | 2.2 | 60 |
1.25 | 0 | 100 | 3 | 60 |
1.40 | 0 | 100 | 3 | 60 |
Z018 S04 | ||||
coiuSfc^MI ..... | Sunfire, 3 x 30 mm, 2.5 pm | |||
Column SupplieB | Waters | |||
--je·. >b Gradient/Solvent Time [min] | .r % Solvent^. [H2O, 0.1%TFA] | --- · i % Solvent ” [acetonitrile] | HowW^ [ml/min]”' | '-? Température [°C] t* |
0.00 | 97 | 3 | 2.2 | 60 |
0.20 | 97 | 3 | 2.2 | 60 |
1.20 | 0 | 100 | 2.2 | 60 |
1.25 | 0 | 100 | 3 | 60 |
1.40 | 0 | 100 | 3 | 60 |
Method | Z018S04 | |||
Sunfire, 3 x 30 mm, 2.5 pm | ||||
Waters | ||||
' · *: w ΕβκίδιάΛδ 1j | fiy>f0.1%TTA] •λ?*- ·· · | ···-’..... --- '- % Solvent ^[acetonitrile] | Flow [ml/min]'.. | Température. [ocftsa |
0.00 | 97 | 3 | 2.2 | 60 |
0.20 | 97 | 3 | 2.2 | 60 |
1.20 | 0 | 100 | 2.2 | 60 |
1.25 | 0 | 100 | 3 | 60 |
1.40 | 0 | 100 | 3 | 60 |
-5117445
Method Name: | 001CA03 | |||
Column: | SunFire Cl 8,4.6 x 30 mm, 3.5 pm | |||
Column Supplier: | Waters | |||
Gradient/Solvent Time [min] | % Solvent & [H20,0.1%TFA] | % Solvent [acetonitrile] | Flow « [ml/min] g. | Température L -r^' r°ri Êslfe |
0.0 | 98 | 2 | 2.5 | 60.0 |
1.5 | 0 | 100 | 2.5 | 60.0 |
1.8 | 0 | 100 | 2.5 | 60.0 |
Method Name: | I IB 15 MeOH DEA | ||||
Chîralpak IB 4.6 x 250 mm, 5 μιη | |||||
Column Supplier: | Daicel | ||||
-^Gradient' : .,s Solvent „:'-- Time [min] | „ % Solvent'® [MeOH,'ÿ 0.2% DEA] | % Solvent [scCChr· - >r4*‘s----»·· | ' ' Flow [ml/min] | To^craturc • •[°c] T ' | Back Pressure [bar] V·-· |
10 min | 15 | 85 | 4 | 40 | 150 |
I IB 20 MeOH DEA | |||||
Column: | Chiralpak IB 4.6 x 250 mm, 5 μτη | ||||
Column ^upp^^^^^g^fy | Daicel | ||||
····**( ! Gradient/ Solvent . Time [min] | —js’ ---'-..i·- >rf;.· % Solvent “ [MeOH, 0.2% DEA] s | À% Solvent [scCO2] | ; - i*·· J Flow [ml/min] > ' - ' ' ’υΛ | Température [°C] | Back Pressure [bar] |
10 min | 20 | 80 | 4 | 40 | 150 |
I IC 30 MeOH DEA | |||||
Columnf* . - < | Chiralpak IC 4.6 x 250 mm, 5 μιη | ||||
Column SuppUêr^^'^J^* . | Daicel | ||||
Gradient/? - Solvent>‘ Timefmin]^ | ^•% Solvent,, ’t [MeOH, * 0.2% DEA] | % Solvent = [scCO2] | •^Flow [ml/min] - | . ·*ί i*u.r:.’jv ’ i-Wi'··· Température [OC] > | .Back Pressure [bar] ...iifeSfc |
10 min | 30 | 70 | 4 | 40 | 100 |
-5217445
X011 S03 | ||||
^fej^tcBffisEsÎffBÎtt^W'gÎ^^^ÎiSÎKBjtfÎSrrjÎSÎÎfroT^P^^ÆÎjÎ.kÎjÎg^^Sfs-vj» , | Xbridge BEH C18, 2.1 x 30 mm, 1.7 gm | |||
uujujMâ.j^^iuto ColumaMirBier: gfi | Water s | |||
Gradient/Solvent Time [min] | % Solvent [H2O, 0.1%NH3] | *>- % SoivenfSIi J? [acetonitrile] | isifes Fio^llflg [ml/min] | ! ,·Λ Température^ *: [°C] «. |
0.0 | 95 | 5 | 1.3 | 60 |
0.02 | 95 | 5 | 1.3 | 60 |
1.00 | 0 | 100 | 1.3 | 60 |
1.10 | 0 | 100 | 1.3 | 60 |
X018S01 | ||||
Sunfïre Cl8, 2.1 x 30 mm, 2.5 gm | ||||
Waters | ||||
Gradient/Solvent φ Time [min] Γ | % Solvent [H2O, 0.1°/oTFA] | ' [â^toriitnle] A | fiOB| [ml/min] -¾ | *·^ ··· -j* Température •^#[°C] ’ ' |
0.0 | 99 | 1 | 1.5 | 60 |
0.02 | 99 | 1 | 1.5 | 60 |
1.00 | 0 | 100 | 1.5 | 60 |
1.10 | 0 | 100 | 1.5 | 60 |
Method Name: | Z006 U01 | |||
XBridge Phenyl, 3 x 30 mm, 2.5 gm | ||||
HUll | Waters | |||
Gf aâient/Solvenf orTimc [min] | . % Solvent^ [H2Ô, 0.1%TFÀ] | Flow [ml/min] | •VJ* Température | |
0.0 | 50 | 50 | 1.9 | 60 |
0.20 | 50 | 50 | 1.9 | 60 |
1.55 | 0 | 100 | 1.9 | 60 |
1.60 | 0 | 100 | 2.4 | 60 |
1.80 | 0 | 100 | 2.4 | 60 |
-5317445
Method .it > ' rt» i'- * ' *Γ. $WLsSJw®flS | 001 CA07 | |||
Column: '.. | SunFire Cl8, 2.1 x 50 mm, 2.5 μιη | |||
Column Supplier: | Waters | |||
Gradîent/Solvent Time [min] | % Solvent [H2O, 0.1%TFA] | % Solvent [acetonitrile] Λ | X Flow [ml/min] Ijfe | Températureί [°C] |
0.0 | 95 | 5 | 1.5 | 60.0 |
0.75 | 0 | 100 | 1.5 | 60.0 |
0.85 | 0 | 100 | 1.5 | 60.0 |
002 CA03 | ||||
SunFire C18, 3.0 x 30 mm, 2.5 pm | ||||
Ci^umn | Waters | |||
GmtJiMIzSolvent ®· Time [minf|| | îî- ; v % Solvent A· [H2O, 0.1%TFA] | ? % Solvent [acetonitrile] | ^rtiowft*··^ [ml/min] | V Température Sfera |
0.0 | 99 | 1 | 2.0 | 60.0 |
0.90 | 0 | 100 | 2.0 | 60.0 |
1.1 | 0 | 100 | 2.0 | 60.0 |
002 CA07 | ||||
XBridge BEH Cl8, 3 x 30 mm, 1.7 pm | ||||
r· ·/ „ | Waters | |||
Solvent Al ÏH2O,0.1%NH3] | % Solvent f [acetonitrile] ‘ - V.._ *s ' | ... Tlow.4„ ·.· , [ml/min]s | Température [°C] | |
0.0 | 95 | 5.0 | 1.5 | 60.0 |
0.7 | 0.1 | 99.9 | 1.5 | 60.0 |
0.8 | 0.1 | 99.9 | 1.5 | 60.0 |
0.81 | 95 | 5 | 1.5 | |
1.1 | 95 | 5 | 1.5 |
-5417445
MetlSdName: | 003 CA04 | |||
#*£^^îîîîè*» 3K.C- | XBridge C18, 3 x 30 mm, 2.5 pm | |||
.-«Γι λ rt·'Λ n ,«Cn<·^. ί,... Column Supplier: | Waters | |||
Gradient/Solvent Time [min] | % Solvent [H2O, 0.1%TFA] | % Solvent [acetonitrile] | Flow [ml/min] | Température [°C] |
0.0 | 98 | 2 | 2.0 | 60.0 |
1.2 | 0 | 100 | 2.0 | 60.0 |
1.4 | 0 | 100 | 2.0 | 60.0 |
Method Name: | 005 CA01 | |||
Column: | SunFire C18, 3.0 x 30 mm, 2.5 pm | |||
Column Supplier: | Waters | |||
Gradient/Solvent Time [min] | w. % Solvent [H2O, 0.1%TFA] | % Solvent i [acetonitrile] | Flow [ml/min] U | Température [°C] |
0.0 | 98 | 2 | 2.0 | 60.0 |
1.2 | 0 | 100 | 2.0 | 60.0 |
1.4 | 0 | 100 | 2.0 | 60.0 |
Method Name: -l· 3A ' | I IA 15 MeOH DEA | ||||
Column: | Chiralpak IA 4.6 x 250 mm, 5 pm | ||||
Column Supplier; ^>γ· | ifegSU - -, . f | Daicel | |||
Gradient/ Solvent Time [min] | % Solvent [MeOH, 0.2% DEA] | % Solvent [SCCO2] | Flow [ml/min] | •y* . ' Température ; L°c] < “· 1 î3’ , · | Back Pressure [bar] |
10 min | 15 | 85 | 4 | 40 | 150 |
MethodName: ? ~ ' | I„IA 20 MeOH NH3 | ||||
Column: My | Chiralpak IA 4.6 x 250 mm, 5 pm | ||||
Column Supplier: - | Daicel | ||||
Gradient/ Solvent Time [min] | % Solvent [MeOH, 20 mM NH3] | frsw...... % Solvent [scCO2] - | Flow [ml/min] | Température [°C] | Back' Pressure [bar] |
10 min | 20 | 80 | 4 | 40 | 150 |
-5517445
Method Name: | J · 111 s- -’F· | I IA 30 | MeOH NH3 | |||
Column: | :7 . r7 ... | WW | Chiralpak IA 4.6 x 250 mm, 5 pm | |||
Column Supplier: | Daicel | |||||
Gradient/ Solvent Time [min] | % Solvent [MeOH, 20 mM NH3] | % Solvent [scCO2] | Flow [ml/min] | Température [°C] | Back Pressure [bar] | |
10 min | 30 | 70 | 4 | 40 | 150 |
Method Name: | IIB25Me()HDEA | ||||
Column: | Chiralpak IB 4.6 x 250 mm, 5 pm | ||||
Column Supplier: jf | Daicel | ||||
Gradient/ Solvent Time [min] | % Solvent [MeOH, 0.2% DEA] | % Solvent [scCO2] | y- Flow [ml/min] | Température [°C] | Back Pressure [bar] |
10 min | 25 | 75 | 4 | 40 | 150 |
Method Name: | I IB 25 | MeOH NH3 | |||
Column: | Chiralpak IB 4.6 x 250 mm, 5 pm | ||||
Column Supplier: | Daicel | ||||
Gradient/ Solvent Time [min] | % Solvent [MeOH, 20mMNH3] | % Solvent | Flow | Température | Back |
[SCCO2] | [ml/min] | [°C] | Pressure [bar] | ||
10 min | 25 | 75 | 4 | 40 | 150 |
Method Namey.. | I IB 30 MeOH DEA | ||||
Column: '4. | Chiralpak IB 4.6 x 250 mm, 5 pm | ||||
Column Supplier:. | Daicel | ||||
Gradient/ Solvent Time [min] | % Solvent [MeOH, 0.2% DEA] | © % Solvent [scCO2] ·. | Flow [ml/min] | Température [°C] •a·» | Back Pressure [bar] |
10 min | 30 | 70 | 4 | 40 | 150 |
-5617445
Method Nameu|h-· | I IB 40 MeOH DEA | |||
Column: | Chiralpak IB 4.6 x 250 mm, 5 pm | |||
Column Supplier: | Daicel | |||
Gradient/ :·®’ Solvent Time [min] | % Solvent [MeOH, 0.2% DEA] | 1 ’-j.% Solvent T-^ Flow [SCCO2] 1 [ml/min] | Température [°C] WW g | Back Z' Pressure [bar] |
10 min | 40 | 60 1 4 | 40 | 150 |
ASSIGNMENT OF ABSOLUTE CONFIGURATIONS
The absolute configuration of example l A has been assigned unambîgously by X-ray structure analysis to be (Λ). This (R)-enantiomer (example 1 A) is significantly more potent with respect to the inhibition of neutrophil elastase than the (S)-enantiomer (example 1 B), as can 5 be seen from the measured IC50 values of 11.5 nM (example 1 A) and 8040 nM (example
B), respectively. The absolute configuration of ail other pure enantiomers described has been assigned in analogy to example IA, that is, the more potent enantiomer (the eutomer) with respect to the inhibition of neutrophil elastase, i.e. the enantiomer with the lower IC50 value has been assigned to hâve the same absolute configuration as example IA.
io SYNTHESES OF STARTING MATERIALS
The following starting materials are prepared as described in the literature cited:
3-(3-(trifluoromethyl)phenylamino)cyclopent-2-enone: Aust. J. Chem. 2005, 58, 870-876; l-bromo-4-(chloro(isocyanato)methyl)benzene: Synlett 2006, 3, 375-378; teri-butyl (4-cyanophenyl)(phenylsulfonyl)methylcarbamate: J. Am. Chem. Soc. 2011,133, 1248-
1250.
The synthesis of the following starting materials has been described before in the literature cited:
ierributyl (4-brornophenyl)(phenylsulfonyl)methylcarbamate: J. Am. Chem. Soc. 2011, 133, 20 8892-8895; 3-(benzyloxy)cycIopent-2-enone: Chîn. Chem. Lett. 2008,19, 767-770, λαΓ
-5717445
INTERMEDIATE l Et°2C*N
H
N-CO2Et
H
Diethyl (4-Cyanophenyl)methylenedicarbamate
In a three-necked round bottom flask equipped with a drying tube fïlled with calcium chloride and an inlet for nitrogen, 4-fonnylbenzonitrile (25.0 g, 191 mmol) and ethyl carbamate (37.4 g, 419 mmol) are heated at 145 °C. The flask is being purged with a flow of nitrogen, and concentrated sulfuric acid (ca. 200 pL, ca. 3 mmol) is added slowly drop by drop. After 7 h the solidified reaction mixture is cooled to room température, crushed, ίο mixed thoroughly with water and dried. Yield: 53.0 g; ESI mass spectrum: [M+Na]+ = 314;
Rétention time HPLC: 0.88 min (V01 l_S01 ).
INTERMEDIATE 2
Cl
NCO
4-(Chloro(isocyanato)methyl)benzonitrile
Phosphorous pentachloride (83.3 g, 400 mmol) is added to a suspension of diethyl (4-cyanophenyl)methylenedicarbamate (intermediate 1, 53.0 g, 182 mmol) in benzene (200 mL) and the mixture is heated at reflux for 2 h. The benzene is evaporated and the mixture îs then purified by distillation under reduced pressure. The first fraction (ca. 40 °C, ca. 0.01 mbar) is discarded. The second fraction (ca. 110 °C, ca. 0.6 mbar) is collected.
Yield: 28.4 g; ESI mass spectrum: [M+MeOH-HCl+H]+ = 189; Rétention time HPLC:
0.65 min (Z003_004).
-5817445
INTERMEDIATE 3
4-(4-BromophenyI)-l-(3-(trifluoromethyl)phenyl)-3,4,6,7-tetrahydro-l//-cycIopenta[i/|pyrimidine-2,5-dione
A solution of 1 -bromo-4-(chloro(isocyanato)methyl)benzene (14.7 g, 47.6 mmol) in dichloromethane ( 100 mL) is added to a solution of 3-(3-(trifluoromethyl)phenylamino)cydopent-2-enone (11.0 g, 45.6 mmol) in dichloromethane (100 mL) and the mixture is heated at reflux for 1.5 hours. Water is added, and the phases are extracted twice with dichloromethane. The combined organic layers are concentrated and the residue is purified io by flash chromatography on silica (gradient cyclohexane/ethyl acetate 4:1 to ethyl acetate).
Yield: 7.5 g; ESI mass spectrum: ESI mass spectrum: [(79Br)-M+ H]+ = 451, [(81Br)-M+H]+ = 453; Rétention time HPLC: 1.15 min (V012S01).
INTERMEDIATES 3A AND 3B: ENANTIOMERS OF INTERMEDIATE 3
The enantiomers of racemic 4-(4-bromophenyl)-1-(3-(trifluoromethyl)phenyl)-3,4,6,7-tetra15 hydro-17/-cyclopenta[i/]pyrimidine-2,5-dione (intermediate 3, 2.10g, 4.66 mmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chiralpak IB, 10 x 250 mm, 5 μιη, 20% MeOH + 0.2% diethylamine in supercritical CO2, 40 °C, 150 bar back pressure).
-5917445
INTERMEDIATE 3A:
(Æ)-4-(4-Broniophenyl)-l-(3-(trifliioromethyl)phenyl)-3,4,6,7-tetrahydro-l//-cyclopenta|i/|pvrimidine-2.5-dione
Yield: l .05 g; ESI mass spectrum: [(79Br)-M+ H]+ =451, [(81Br)-M+ H]+ = 453; Rétention time: 3.76 min (late eluting enantiomer) (I _1B 20.VleOHDLA).
INTERMEDIATE 3B:
(5j-4-(4-BromophenyI)-l-(3-(trifliJOiOincthyl)phenyl)-3,4.6,7-tetrahydro-l//-cycloίο penta[i/|pyrimidine-2.5-dione
Yield: 0.94 g; ESI mass spectrum: [(79Br)-M+ H]+ = 451, [(8IBr)-M+ H]+ = 453; Rétention time: 3.08 min (early eluting enantiomer) (I_IB_20_MeOH_DEA).
-6017445
INTERMEDIATE 4
4-Nitrophenyl 4-(4-Cyanophenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7tetrahydro-1 //-cvclopenta [ d] pyrimidine-3(27/)-carboxylate
4-Nitrophenyl chloroformate (1.11 g, 5.52 mmol) is added to a solution of4-(2,5-dioxo-l(3-(trifluoromethyl)phenyl )-2,3,4,5,6,7-hexahydro-17/-cyclopenta[i/]pyrimidin-4-yl)benzonitrile (example 1, 1.33 g, 3.35 mmol), M/V-diisopropylethylamine (2,28 mL, 13,4 mmol) and 4-(dimethylamîno)pyridîne (409 mg, 3.35 mmol) in dichloromethane (24 mL). After 1 h the mixture is washed with water and concentrated. The residue is purified by flash io chromatography on silica (gradient cyclohexane to cyclohexane/ ethyl acetate 3:7). Yield:
623 mg; ESI mass spectrum [M+H]+ = 563; Rétention time HPLC: 0.99 min (Z018_S04).
INTERMEDIATE 5
3-(3-(DifIuoromethyl)phenyIamino)cyclopent-2-enone is A mixture of cyclopentane-l,3-dione (2.00 g, 20.4 mmol), 3-(difluoromethyl)aniline (2.92 g, 20.4 mmol) and Ytterbium(III) trifluormethanesulfonate (63 mg, 0.10 mmol, 0.5 mol%) is stirred at room température for 2 h. Methanol and water are added and the
-6117445 resulting precipitate is filtered and dried. Yield: 2.75 g; ESI mass spectrum: [M+H]+ = 224;
Rétention time HPLC: 0.82 min (V012 SOI).
INTERMEDIATE 6
s 4-(4-Bromoph enyl)-l-(3-(difluoromethyl)pheny 1)-3,4,6,7- tetrahydro- l//-cyclopen ta |<7|pyrimidine-2,5-dione
A solution of 1-bromo-4-(chloro(isocyanato)methyl)benzene (240 mg, 0.974 mmol) in dichloromethane (2 mL) is added dropwise to a solution of 3-(3-(di fluoromethyl )phenylamino)cyclopent-2-enone (intermediate 5, 217 mg, 0.974 mmol) in dichloromethane (2 mL) io and the reaction mixture is heated at reflux for 2 h. Water is added, and the phases are extracted twîce with dichloromethane. The combined organic layers are concentrated and the residue is purified by flash chromatography on silica (gradient cyclohexane/ethyl acetate 4:1 to ethyl acetate). Yield: 159 mg; ESI mass spectrum: [(79Br)-M+ H]+ = 433, [(81Br)-M+ H] = 435; Rétention time HPLC: 0.56 min (X012_S01).
is INTERMEDIATE 7
Diethyl (4-Bromo-2-niethylsulionyl)phenyl)inethylenedicarbamate
The title compound is prepared in analogy to diethyl (4-cyanophenyl)methylenedicarbamate (intermediate 1), substituting 4-formylbenzonitrile with 4-bromo-2-(methyl- a/
-6217445 sulfonyl)benzaldehyde (4.50 g, 17.1 mmol) and purifying the crude product by flash chromatography on silica (gradient dichloromethane to dichloromethane/methanol 93:7). Yield: 5.05 g; ESI mass spectrum: [(79Br)-M+H]+ - 423, [(81Br)-M+Hf = 425; Rétention time HPLC: 0.77 min (Z01 l_S03).
INTERMEDIATE 8
4-(4-Bromo-2-(niethy lsulfonyl) phenyl)-1 -(3-(tr ifluoro methyl) phenyl)-3,4,6,7-tetrahydro-l//-cyclopenta|</|pyrimidine-2,5-dione
Step 1:
4-Bromo-l-(chloro(isocyanato)methyl)-2-(methylsulfonyl)benzene
Phosphorous pentachloride (5.47 g, 26.2 mmol) is added to a suspension of diethyl (4-bromo-2-methyisulfonyl)phenyl)methylenedicarbamate (intermediate 7, 5.05 g,
11.9 mmol) in toluene (30 mL) and the mixture is heated at reflux for 3 h. The toluene is evaporated and the mixture is then purified by distillation under reduced pressure (ca. 160 °C, 0.1 mbar). Yield: 945 mg.
Step 2:
4-(4-Bromo-2-(methylsulfonyl)phenyl)-l-(3-(trifluoromethyI)phenyl)-3,4,6,7-tetrahydro-lZf-cyclopenta[d]pyrimidine-2,5-dione
3-(3-(Trifluoromethyl)phenylamino)cyclopent-2-enone (234 mg, 0.97 mmol) is added to a solution of 4-bromo-l-(chloro(isocyanato)methyl)-2-(methylsulfonyl)benzene (Step 1, 945 mg, 2.91 mmol) in dichloromethane (10 mL). The mixture is heated at reflux over night and then concentrated under reduced pressure. The residue is purified by reversed frf'
-6317445 phase HPLC (Agilent ZORBAX™ SB-Cig, gradient of acetonitrile in water, 0.1% formic acid). Yield: 110 mg; ESI mass spectrum: ESI mass spectrum: [(79Br)-M+ H]+ = 529, [(8lBr)-M+H]+= 531; Rétention time HPLC: 1.21 min (Z0I7_S04).
INTERMEDIATE 9
-CO2Et
Diethyl (6-Broniopyridin-3-yl)niethylenedicarbamate
The title compound is prepared in analogy to diethyl (4-cyanophenyl)methylenedicarbamate (intermediate 1 ), substituting 4-formylbenzonitrile with 6-bromonicotinaldehyde (7.00 g, 37.6 mmol) and reducing the reaction time from 7 h to 1 h. Yield: 7.82 g; ESI mass îo spectrum: [(79Br)-M+H]+ = 346, [(81Br)-M+H]+ = 348; Rétention time HPLC: 0.87 min (V011-S01).
INTERMEDIATE 10
2-ChlorO“5-(chloro(isocyanato)methyl)pyridine is The title compound is prepared in analogy to 4-(chloro(isocyanato)methyl)benzonitrile (intermediate 2), replacing diethyl (4-cyanophenyl)methylenedicarbamate (intermediate 1) with diethyl (6-bromopyrîdin-3-yl)methylenedicarbamate (intermediate 9, 7.82 g,
22.6 mmol) and collecting the appropriate fraction (ca. 85-90 °C, ca. 0.3 mbar). Yield:
1.07 g. ESI mass spectrum: [M-HCl+2MeOH+H]+ = 231; Rétention time HPLC: 0.73 min (V011_S01).
-6417445
INTERMEDIATE U
4-(6-Chloropyridin-3-yl)-l-(3-(trifliioromethyl)pheny 1)-3,4,6,7-tetrahydro-lH-cyclopenta [rfj py r imidine-2,5-dione
A solution of 3-(3-(trifluoromethyl)phenylamino)cyclopent-2-enone (900 mg, 3.73 mmol) in dichloromethane (8 mL) is added dropweise to a solution of 2-chloro-5-(chloro(isocyanato)methyl)pyridine (intermediate 10, 757 mg, 3.73 mmol) in dichloromethane (7 mL). The mixture is stirred at room température for 2 h and concentrated, and the residue is purified by reversed phase HPLC (Waters Xbridge™-Ci8, gradient of acetonitrile in water, ίο 0.1% NH3). Yield: 160 mg; ESI mass spectrum [M+H]+ = 408; Rétention time HPLC: 0.98 min (V011-S0I).
INTERMEDIATE 12
ieri-Butyl (4-Cyanophenyl)(5-oxo-2-(3-(trifluoromethyl)phenylamino)cyclopent-l15 enyl)methylcarbamate
Sodium hydride (60% in minerai oil, 1.06 g, 26.5 mmol) is added at room température in portions to a mixture of 3-(3-( tri fl uorom ethyl )phenylamino)cyclopent-2-enone (4.31 g,
-6517445
17.9 mmol) and 2-methyltetrahydroftiran. After 20 min tert-butyl (4-cyanophenyl)(phenylsulfonyl)methylcarbamate (10.0 g, 24.2 mmol based on 90% purity) is added, and the mixture is stirred at room température for 1 h.Water is added and the phases are separated.
The organic layer is washed with water and concentrated under reduced pressure, and the residue is recrystallized from tert-butyl methyl ether. Yield: 6.92 g. ESI mass spectrum: [M+H]+ = 472; Rétention time HPLC: 0.76 min (X012_S01),
INTERMEDIATE 13
4-(Amino(5-oxo-2-(3-(trifluoroincthyl)plienylamino)cyclopent-l-enyl)methyl)benzoio nitrile hydrochloride
A solution of hydrogen chloride in 1,4-dioxane (4 M, 29.3 mL, 117 mmol) is added to a mixture of tert-butyl (4-cyanophenyl)(5-oxo-2-(3-(trifluoromethyl)phenylainino)cyclopent· l-enyl)methylcarbamate (intermediate 12, 6.92 g, 14.7 mmol) in 1,4-dioxane (30 mL), and the mixture is stirred at room température for 2 h. Ail volatiles are removed under reduced is pressure, and the residue is treated with tert-butyl methyl ether (50 mL). The precipitate is filtered, washed wîth tert-butyl methyl ether and dried. Yield: 6.10 g. ESI mass spectrum: [M+H]+ = 372; Rétention time HPLC: 0.62 min (X01 l_S02).
-6617445
INTERMEDIATE 14
tert-Butyl (2-Bromo-4-cvanophenyl)(5-oxo-2-(3-(trifliioromethyl)phenylamino)cvclopent-1 -eny l)methy Icarbamate
Step 1 :
tert-Butyl (2-Bronio-4-cyanoplienvl)(phenvlsulfonyl)niethylcarbamate
Formic acid (3.9 mL, 104 mmol) is added to a solution of tert-butyl carbamate (1.90 g,
16.2 mmol), 2-bromo-4-cyanobenzaldehyde (3.41 g, 16.2 mmol) and sodium bcnzcnesulfinate (2.67 g, 16.2 mmol) in a mixture of tetrahydrofuran (7.0 mL) and water (60 mL), and the mixture is stirred at room température for 6 days. Water (180 mL) is added, and the precipitate is filtered and washed with water. The precipitate is treated with tert-butyl methyl ether (30 mL), and the mixture is stirred for 30 min. The precipitate is filtered, washed with tert-butyl methyl ether, and dried. Yield: 3.35 g. ESI mass spectrum: [(79Br)M+H]+ = 451, [(81Br)-M+H]+ = 453; Rétention time HPLC: 0.66 min (X012_S01).
Step2:
tert-Butyl (2-Bromo-4-cyanophenyl)(5-oxo-2-(3-(trifluoromethyl)phenylamino)cyclopen t-1-eny 1) me thy Icarbamate
Sodium hydride (60% in minerai oil, 360 mg, 9.00 mmol) is added in portions to a mixture of 3-(3“(trifluoromethyl)phenylamino)cyclopent-2-enone (2.16 g, 8.96 mmol) and 2methyltetrahydrofuran (30 mL). After 30 min tert-butyl (2-bromo-4-cyanophenyI)(phenylsulfonyl)methylcarbamate (Step 1, 3.35 g, 7.43 mmol) is added and the mixture is stirred at room température for 2 h. Water is added and the phases are separated. The aqueous phase ,
-6717445 is extracted twice with ethyl acetate, and the combined organic phases are washed with water, dried over MgSC>4 and concentrated under reduced pressure. The residue is treated with tert-butyl methyl ether, and the mixture is stirred for 15 min. The precipitate is filtered, washed with tert-butyl methyl ether, and dried. Yield: 3.18 g. ESI mass spectrum: s [(79Br)-M+H]+ = 550, [(8lBr)-M+H]+= 552; Rétention time HPLC: 0.73 min (X012_S0l).
INTERMEDIATES I4.l - 14.6
The following intermediates are prepared in analogy to tert-butyl (2-bromo-4-cyanophenyl)(5-oxo-2-(3-(trifluoromethyl)phenylamino)cyclopent-l-enyl)methylcarbamate (intermediate 14), substituting 2-bromo-4-cyanobenzaldehyde tert-butyl (2-bromo-4-cyanoio phenyl)(phenylsulfonyl)methylcarbamate with the appropriate starting material as indicated în Table 2.
TABLE 2
Intermediate | Starting Material | R1 | MS [M+H]+ | Rétention time [min] | HPLCMethod |
14.1 | H^O | à 1 1 | 506 | 0.76 | X012_S01 |
-6817445
14.2 | A°° | L i do | 564 | 0.77 | X012S0I |
14.3 | o \ | à, 1 1 | 502 | 0.76 | X012_S01 |
14.4 | H% | i 1 1 1 | 486 | 0.75 | X012_S01 |
14.5 | δ,. H'X) | Br 1 1 | 571, 573 | 0.80 | X012_S0I |
14.6 | N ά h Ad | N III ô | 473 | 1.13 | Z018_S04 |
-6917445
INTERMEDIATE I5
tert-Butyl (4-Cyano-2-(methyIsulfonyl)phenyl)(phenylsulfonyl)methylcarbamate Formic acid (6.2 mL, 164 mmol) is added to a solution of tert-butyl carbamate (3.05 g,
26.0 mmol), 4-formyl-3-(rnethylsulfonyl)benzonitrile (5.44 g, 26.0 mmol) and sodium benzenesulfinate (4.27 g, 26.0 mmol) in a mixture of tetrahydrofuran (10 mL) and water (25 mL), and the mixture is stirred at room température for 4 days. Water (30 mL) is added, and the precipitate is filtered, washed with water and acetonitrile and dried Yield: 5.10 g. ESI mass spectrum: [M+H]+ = 451; Rétention time HPLC: 0.59 min (X012_S01).
jo INTERMEDIATE 16
tert-Butyl (4-Cyano-2-(methylsulfonyl)phenyl)(2-(3-(difluoi‘oinethyl)phenylainino)-5oxocy dopent-1 -enyl) methylcar bamate
Sodium hydride (60% in minerai oil, 106 mg, 2.67 mmol) is added in portions to a mixture of 3-(3-(difluoromethyl)phenylamino)cyclopent-2-enone (intermediate 5, 595 mg,
2.66 mmol) and 2-methyltetrahydrofuran (20 mL). After 2 h tert-butyl (4-cyano-2-(methyl- fis'
-7017445 sulfonyl)phenyl)(phenylsulfonyl)methylcarbamate (intermediate 15, 1.00 g, 2.20 mmol) is added, and the mixture is stirred at room température for 2 h. Water is added and the mixture is extracted with 2-methyltetrahydrofuran. The organic layer is dried over Na2SO4 and concentrated under reduced pressure.The residue is purified by reversed phase HPLC (Waters SunFire™-C18) gradient of acetonitrile in water, 0.1% formic acid). Yield: 665 mg;
ESI mass spectrum [M+H]+ = 532; Rétention time HPLC: 1.13 min (Z018_S04).
INTERMEDIATE 17
3-(2-(Trifluoromethyl)pyridin-4-ylamino)cyclopent-2-enone ίο A mixture of cyclopentane-l,3-dione (1.51 g, 15.4 mmol), 2-(trifluoromethyl)pyridin-4amine (2.50 g, 15.4 mmol) and acetic acid (7.5 mL) is heated at 130 °C for 5 h, cooled at room température, diluted with water and methanol, and purified by reversed phase HPLC (Waters SunFire™-Cig, gradient of acetonitrile in water, 0.1% formic acid). Yield: 2.26 g; ESI mass spectrum [M+H]+ = 243; Rétention time HPLC: 0.77 min (Z018_S04).
INTERMEDIATE 18
/eri-Butyl (4-Cyanophenyl)(5-oxo-2-(2-(trifluoromethyl)pyridïn-4-ylamino)cyciopent- l-enyl)methylcarbamate .jS'
-7117445
Sodium hydride (60% in minerai oil, 895 mg, 22.4 mmol) is added in portions to a mixture of 3-(2-(trifluoromethyl)pyridin-4-ylamino)cyclopent-2-enone (intermediate 17,4.52 g,
18.7 mmol) and 2-methyltetrahydrofuran (30 mL). After 30 min tert-butyl (4-cyanophenyl)(phenylsulfonyl)methylcarbamate (6.90 g, 18.5 mmol) is added, and mixture is stirred at room température for 30 min. Water is added, and the phases are separated. The organic phase is dried over Na2SC>4 and concentrated under reduced pressure. Yield: 9.20 g; ESI mass spectrum [M+H]+ = 473; Rétention time HPLC: l.09 min (Z018 S04).
INTERMEDIATE 19
NH io tert-Butyl (4-Cyano-2-(methylsulfonyl)phenyl)(5-oxo-2-(2-(trifluoromethyI)pyridin-4ylamino)cyclopent-l-enyl)niethykarbamate
Sodium hydride (60% in minerai oil, 515 mg, 12.9 mmol) is added in portions to a mixture of 3-(2-(trifluoromcthyl)pyridin-4-ylamino)cyclopcnt-2-cnonc (intermediate 17, 2.60 g,
10.7 mmol) and 2-methyltetrahydrofuran (40 mL). After 10 min tert-butyl (4-cyano-2- (methylsulfonyl)phenyl)(phenylsulfonyl)methylcarbamate (intermediate 15, 4.83 g,
10.7 mmol) is added, and the mixture is stirred at room température for 30 min. Water and ethyl acetate are added, and the phases are separated. The organic phases is washed twice with water and concentrated under reduced pressure. Yield: 6.20 g; ESI mass spectrum [M+H]+= 551; Rétention time HPLC: 1.12 min (Z018 S04).
-7217445
INTERMEDIATE 20
4-(Amino(5-ox o-2-(3-(trifluo romethyl)phenylamino)cy dopent- l-enyl)meth yl)-3bromobenzonitrile hydrochloride
A solution of hydrogen chloride in l,4-dioxane (4 Μ, 15.2 mL, 61 mmol) is added to a mixture of tert-butyl (2-bromo-4-cyanophenyl)(5-oxo-2-(3-(trifluoromethyl)phenylamino)cyclopent-l-enyl)methylcarbamate (intermediate 14, 6.71 g, 12.2 mmol) in 1,4-dioxane (30 mL), and the mixture is stirred at room température for 2 h and then cooled in an ice bath. The precipitate is filtered, washed with cold acetonitrile and dîethyl ether and dried.
io Yield: 5.90g. ESI mass spectrum: [(79Br)-M+H]+ = 450, [(81Br)-M+H]+ = 452; Rétention time HPLC: 1.17 min (V011S01).
INTERMEDIATES 20.1 -20.9
The following intermediates are prepared in analogy to 4-(amino(5-oxo-2-(3-(trifluoromethyl)phenylamino)cyclopent-l-enyl)methyl)-3-bromobenzonitrile hydrochloride (inter15 médiate 20), using the appropriate starting material as indicated in Table 3. .-tf
-7317445
TABLE 3
Intermediate | Starting Material | Structure | MS [M+H]+ | Rétention time [min] | HPLCMethod |
20.1 | intermediate 14.1 | 1 0 1 Cl N H | 406 | 0.51 | X012S0I |
20.2 | intermediate 14,2 | a Q jfo’Ô Λγ'ΝΗ/ΗΘΙ N H | 464 | 0.50 | X012_S01 |
20.3 | intermediate 14,3 | ! Q J 0 Λγ^ΝΗ/HCI ^CF, | 402 | 0.50 | X012_S01 |
-7417445
20.4 | intermediate 14.4 | ! Λγ^ΝΗ/HCI 'ήη | 386 | 0.51 | X012_S01 |
20.5 | intermediate 14.5 | /γ^ΝΗ/ΗΟΙ ^CF, | 471,473 | 0.74 | X011JS03 |
20.6 | intermediate 14.6 | Ï (J 0 T Λγ^ΝΗ/ΗΟ N H | 373 | 0.82 | Z011_S03 |
λΤ
-7517445
20.7 | intermediate 16 | l όψ Q T 0 o Λγ^ΝΗ/HCI ''ήη Οψ F | 432 | 0.80 | Z0l8_S04 |
20.8 | intermediate 18 | a 0 Ζγ^ΝΗ/HCI | 373 | 0.76 | Z01IS03 |
20.9 | intermediate 19 | ! άψ Q JT o o Λγ^ΝΗ/HCI | 451 | 0.76 | Z0l8_S04 |
INTERMEDIATE 21
3-(Benzyloxy)cyciopent-2-enone
A mixture of cyclopentane-l,3-dione (2.00 g, 20.4 mmol), benzyl alcohol (2.11 mL, 20.4 mmoL) and para-toluenesulfonic acid (35 mg, 0.20 mmol) in toluene (10.0 mL) is heated at reflux over night. Water is added, and the mixture is extracted with dichloromethane. The organic layer is concentrated, and the residue is purified by flash chromatography on silica (gradient cyclohexane/ethyl acetate 9:1 to cyclohexane/ethyl acetate 1:4). Yield: 1.66 g;
ESI mass spectrum: [M+H]+ = 189; Rétention time HPLC: 0.51 min (X012_S01).
INTERMEDIATE 22
3-(Benzyloxy)-5-methylcyclopent-2-enone
A solution of 3-(benzyloxy)cyclopent-2-enone (intermediate 21, 300 mg, 1.59 mmol) in dry tetrahydrofuran (4.0 mL) is cooled at -50 °C with an acetone/dry ice bath and treated with lithium dîisopropylamide (2.0 M in tetrahydrofuran, 890 mL, 1.78 mmol). After 15 min methyl iodide (100 pL, 1.59 mmol) is added, and the mixture is warmed to room température over night. Water and dichloromethane is added, and the phases are separated. The organic layer is concentrated under reduced pressure, and the residue is purified by reversed phase HPLC (Waters Xbridge™-C[8, gradient of acetonitrile in water, 0.1% TFA). Yield: 210 mg; ESI mass spectrum [M+H]+ = 203; Rétention time HPLC: 0.57 min (X012 S0I).
-7717445
INTERMEDIATE 23
5-Methyl-3-(3-(trifluoromethyl)phenylamino)cyclopent-2-enone
A mixture of 3-(benzyloxy)-5-methylcyclopent-2-enone (intermediate 22, 210 mg,
1.04 mmol) and Palladium on carbon ( 10%, 127 mg) in toluene (3.0 mL) is treated with hydrogen (3.4 bar) for 9 h. The mixture is filtered, and the filtrate is treated with 3-(trifluormethyl)aniline (130 μΐ., 1.04 mmol) and Ytterbîum(III) trifluormethanesulfonate (3 mg, 5 μπιοί) and stirred at room température over night. Another portion of 3-(trifluormethyl)aniline (65 pL, 0.52 mmol) is added, and the mixture is stirred over night. Water io and dichloromethane is added, and the phases are separated. The organic phase is concentrated under reduced pressure, and the residue is purified by reversed phase HPLC (Waters Xbridge™-Ci8, gradient of acetonitrile in water, 0.1% TFA). Yield: 136 mg; ESI mass spectrum [M+H]+ = 256; Rétention time HPLC: 0.55 min (X012_S01).
INTERMEDIATE 24
4-(Amino(4-methyl-5-oxo-2-(3-(trifluoromethyl)phenylamino)cyclopent-l-enyl)methyl)benzonitrile trifluoroacetate
Sodium hydride (60% in minerai oil, 6 mg, 150 μπιοί) is added to a mixture of 5-methyl-3(3-(trifluoromethyl)phenylamino)cyclopent-2-enone (intermediate 23, 38 mg, 150 μπιοί)
-7817445 and 2-methyltetrahydrofuran (2 mL). After 20 min zm-butyl (4-cyanophenyl)(phenylsulfonyl)methylcarbamate (60 mg, 150 μιηοΐ based on 90% purity) is added, and the mixture is stirred at room température over night. Another portion of sodium hydride (60% in minerai oil, 6 mg, 150 pmol) is added, and the mixture is stirred for 20 min. Another portion of teri-butyl (4-cyanophenyl)(phenylsulfonyl)methylcarbamate (60 mg, 150 pmol based on 90% purity) is added, and the mixture is stirred over night. Water is added, and the mixture is extracted twice with dichloromethane. The combined organic layers are concentrated under reduced pressure, and the residue is treated with 1,4-dioxane and hydrogen chloride (4 M in 1,4-dioxane, 290 pL, 1.1 mmol), The mixture is stirred at room température over night and treated with another portion of hydrogen chloride (4 M in 1,4-dioxane, 290 pL, 1.1 mmol). The mixture is stirred over night and treated with water. The mixture is extracted with dichloromethane, and the organic layer is concentrated under reduced pressure. The residue is purified by reversed phase HPLC (Waters XbridgeIM-Cls. gradient of acetonitrile in water, 0.1% TFA). Yield: 24 mg; ESI mass spectrum [M+H]+ = 386; Rétention time HPLC: 0.49 min (X012_S01).
INTERMEDIATE 25
4-(4-Bromo-2-( methylthio)pheny l)-l-(3-(trifluoromethyl)pheny 1)-3,4,6,7-tetrahydrolZ/-cyclopenta|d|pyrimidine-2,5-dione
Triethylamine (250 pL, 1.81 mmol) is added to a mixture of2-(amino(4-bromo-2-(methylthio)phenyl)methyl)-3-(3-(trifluoromethyl)phenylamino)cyclopent-2-enone hydrochloride (intermediate 20.5, 4.08 g, 7.23 mmol based on 90% purity) and Ι,Γ-carbonyldiimidazole (1.46 g, 9.04 mmol) in acetonitrile (54 mL), and the mixture is stirred at room température for 1 h. Ail volatiles are removed under reduced pressure, and the residue is treated with w—
-7917445 water. The precipitate is filtered and purified by flash chromatography on silica (gradient dichloromethane to dichloromethane/methanol 95:5). Yield: 3.04 g; ESI mass spectrum: [(79Br)-M+ H]+ = 497, [(slBr)-M+ H]+ = 499; Rétention time HPLC: 0.65 min (X01 l_S03).
INTERMEDIATE 26
Diethyl (4-Cyano-2-fluorophenyl)methylenedicarbamate
In a three-necked round bottom flask equipped with a drying tube filled with calcium chloride and an inlet for nitrogen, 3-fluoro-4-formylbenzonitrile (5.00 g, 33.5 mmol) and ethyl carbamate (6.57 g, 73.7 mmol) are heated at 150 °C. The flask is being purged with a flow of nitrogen, and concentrated sulfuric acid (200 pL) is added drop by drop within 10 min. The mixture is heated at 150 °C for 6 h and then cooled at room température. The mixture is ground, treated with water (400 mL) and then stirred for 3 h. The precipitate is filtered and dried. Yield: 6.50 g; ESI mass spectrum: [M+Na]+ = 332; Rétention time HPLC: 0.58 min (Z0l l_S03).
INTERMEDIATE 27
Methyl 2-(4-(4-Cyanophenyl)-2,5-dioxo-1-(3-( trifliioromethyl)phenyl)-6,7-dihydro-1/7cyclopenta[d]pyrimidin-3(2//,4/7,5f/)-yl)propanoate
-8017445
Césium carbonate (737 mg, 2.26 mmol) is added to a solution of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lf/-cyclopenta[/[pyrimidin-4-yl)benzonitrile (example 1, 300 mg, 0.76 mmol) and methyl 2-bromopropionate (252 mg, 1.51 mmol) in y,7V-dimethylfoimamide (10.0 mL), and the mixture is stirred at 50 °C over night. Water is 5 added, and the mixture is extracted with dichloromethane. The organic layer is washed twice with water, dried over MgSO4 and concentrated under reduced pressure. The residue is purified by reversed phase HPLC (Waters SunFire™-Ci8, gradient of acetonitrile in water, 0.1% TFA). Yield: 160 mg; ESI mass spectrum: [M+H]+ = 484; Rétention time HPLC: 0.85 min (Z018_S04).
ίο INTERMEDIATE 28
2-(4-(4-Cyanophenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-6,7-dihydro-LH-cyclopenta|d| pyrimidin-3(2//,4//,5//)-yl)propanoic acid
A solution of methyl 2-(4-(4-cyanophenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-6,715 dihydro-l/f-cyclopenta[d]pyrimidin-3(2/7,4//,5f/)-yl)propanoate (intermediate 27, 125 mg,
0.26 mmol) in 1,4-dioxane (3 mL) is treated with aqueous lithium hydroxide (2.0 M,
390 μL, 0.78 mmol), and the mixture is stirred at room température over night. Water is added, and the mixture is extracted with dichloromethane. The aqueous phase is acidified with 1M aqueous hydrogen chloride and extracted with dichloromethane. The combined organic layers are dried over Na2SO4 and concentrated under reduced pressure. Yield:
mg; ESI mass spectrum: [M+H]+ = 470; Rétention time HPLC: 0.85 min (Z018_S04). qv-''
-8117445
INTERMEDIATE 29
Ethyl 2-(4-(4-Cyan o-2-( methylsulfonyl)phenyl)”2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-6,7-dihydro-l//-cyclopenta [ d ] pyri midin-3(2//,4//,5H)-yl)acetate
A mixture of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lZ7-cyclopenta[d]pyrimidin-4-yl)-3-(methyl sulfonyl)benzonitrile (example 10, 1.78 g, 3.74 mmol) and césium carbonate ( l .83 g, 5.62 mmol) in .V.V-dimethylfbrmamide (25.0 mL) is treated with ethyl bromoacetate (0.50 mL, 4.50 mml), and the mixture is stirred at room température over night. Water (30ml) is added, and the precipitate is filtered and dried.
io Yield: 1.80 g; ESI mass spectrum: [M+H]+ = 562; Rétention time HPLC: 1.05 min (Z018_S04).
INTERMEDIATES 30.1 -30.3
The following intermediates are prepared in analogy to 4-nitrophenyl 4-(4-cyanophenyl)-
2,5-dioxo-1 -(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-l 7f-cyclopenta[d]pyrimidine-
3(2H)-carboxylate (intermediate 4), using the appropriate starting material as indicated in Table 4, and substituting dichloromethane with acetonitrile as solvent. v.V'-8217445
TABLE 4
Intermediate | Starting Material | Structure | MS [M+H]+ | Rétention time [min] | HPLCMethod |
30.1 | example IA | 1 oJtx <ίτν°2 X. | 563 | 1.12 | Z018_S04 |
30.2 | example 10A | ! W dï<rN°2 <AAo X. | 641 | 1.10 | Z018_S04 |
30.3 | example 15.5 | 1 tU <XN°2 'SAo ÎAcf, | 564 | 1.09 | Z018_S04 |
-8317445
EXAMPLE 1
SYNTHESES OF EXAMPLES lil
NH
N A)
4-(2,5-Dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta[i/]5 pyrimidin-4-yl)benzonitrile
Method A:
A solution of 3-(3-(trifluoromethyl)phenylamino)cyclopent-2-enone (1.00 g, 4.15 mmol) in dichloromethane ( 10 mL) is added dropweise over the period of 1 h to a solution of 4-(chloro(isocyanato)methyl)benzonitrile (intermediate 2, 1.04 g, 5.39 mmol) in dichloroio methane (15 mL) at 30 °C. The reaction mixture is heated at reflux for 4 h and then stirred over night at room température. The reaction mixture is purified by reversed phase HPLC (Waters Xbridge™-C]8, gradient of acetonitrile in water, 0.1% NH3). Yield: 472 mg; ESI mass spectrum [M+H]+ = 398; Rétention time HPLC: 1.00 min (V01 I SO 1 ).
Method B:
Under an atmosphère of argon, a mixture of 4-(4-bromophenyl)-l-(3-(trifluoromethyl)phenyl)-3,4,6,7-tetrahydro-lLLcyclopenta[rf]pyrimidine-2,5-dione (intermediate 3, 500 mg,
1.11 mmol), zinc cyanide (200 mg, 1.70 mmol) and tetrakis(triphenylphosphine)palladium(O) (130 mg, 112 pmol) in AQV-dimethylformamide (5 mL) is heated over night at 110 °C. The reaction mixture is cooled to room température, and water is added. The mixture is extracted twice with dichloromethane, and the combined organic layers are concentrated. The residue is purified by flash column chromatography on silica (gradient
-8417445 dichloromethane to dichloromethane/ methanol 99: l ). Yield: 190 mg; ESI mass spectrum [M+H]+ = 398; Rétention time HPLC: l.OO min (V011_S01).
Method C:
A mixture of 4-(amino(5-oxo-2-(3-(trifluoromethyl)phenylamino)cyck)pent-l-enyl)s methyl)benzonitrile hydrochioride (intermediate 13, 11.8 g, 26.1 mmol based on 90% purity) in acetonitrile (100 mL) and Ι,Γ-carbonyldiimidazole (5.28 g, 32.6 mmol) is treated with triethylamine (0.9 mL, 6.5 mmol), and the mixture is stirred at room température for 1 h. Ail volatiles are removed under reduced pressure, and the residue is treated with water. The precipitate is filtered, washed with water and dried. The residue is purified by îo recrystallization from hot toluene (130 mL). Yield: 8.6 g; ESI mass spectrum [M+H]+ = 398; Rétention time HPLC: 1.06 min (V01 l_S01). LH4BRM00213
EXAMPLES IA AND IB: ENANTIOMERS OF EXAMPLE 1
The enantiomers of racemic 4-(2,5-dîoxo-l-(3-(tri fluoromethyl)phenyl )-2,3,4,5,6,7-hexahydro-l/7-cyclopenta[i/]pyrimidin-4-yl)benzonitrile (example 1, 190 mg, 1.11 mmol) are is separated by préparative supercritical fluid chromatography on a chiral phase (Daîcel
Chiralpak IC, 10 x 250 mm, 5 pm, 30% MeOH + 0.2% diethylamîne in supercritical CO2, 40 “C, 100 bar back pressure).
EXAMPLE IA
NH
-8517445 (i)-4-(2,5-Dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lZ7-cyclopenta[J]pyrimidin-4yl)benzonitrile
Yield 67 mg; ESI mass spectrum [M+H]+ = 398; Rétention time: 9.28 min (late eluting enantiomer) (I IC 30 MeOlI_DEA).
EXAMPLE l B
(5)-4-(2,5-Dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lH-cyclopenta[r/|pyriinidin-4-yl)benzonitrile
Yield 74 mg; ESI mass spectrum [M+H]+ = 398; Rétention time: 2.86 min (early eluting enantiomer) (I_IC 30 MeOH DEA).
Altematively, example l A can be prepared as follows:
Under an atmosphère of argon, a mixture of (/?)-4-(4-bromophenyl)-l-(3-(trifluoromethyl)phenyl)-3,4,6,7-tetrahydro-l/f-cyclopenta[J]pyrimidine-2,5-dione (intermediate 3A, l.OO g, 2.22 mmol), zinc cyanide (442 mg, 3.76 mmol) and tetrakis(triphenylphosphine)palIadium(O) (256 mg, 222 pmol) in .V.A-dimethylfonnamidc ( 10 mL) is heated at 110 °C for 1 h. The reaction mixture is cooled to room température and then purified by préparative reversed-phase HPLC (Waters Xbridge™-Ci8, gradient of methanol in water, 0.1% TFA). Yield: 247 mg; ESI mass spectrum [M+H]+ = 398; Rétention time HPLC:
0.53 min (X012_S01). w''
-8617445
EXAMPLE 2
4-(3-Metl\vl-2,5-dioxo-l-(3-(trifliioroniethyl)phenyI)-2,3,4,5,6,7-hexahydro-l//-cyclopenta [rf] pyrimidin-4-y l)benzonitr ile
Under an atmosphère of argon, 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7hexahydro-l/f-cyclopenta[if[pyrimidin-4-yi)benzonitrile (example 1, 200 mg, 0.50 mmol) is added to a suspension of sodium hydride (60% in minerai oil, 24 mg, 0.60 mmol) in dry tetrahydrofuran. After 20 min, methyl iodide (41 pL, 0.66 mmol) is added. After 20 min water is added and the mixture is concentrated. The residue is purified by flash io chromatography on silica (gradient cyclohexane/ethyl acetate 1:1 to ethyl acetate). Yield: 49 mg; ESI mass spectrum [M+H]+ = 412; Rétention time HPLC: 0.59 min (X012_S01). EXAMPLE 2A
(R)-4-(3-Methyl-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//is cyclopenta[J]pyrimidin-4-yl)benzonitrile
-8717445
The title compound is prepared in analogy to 4-(3-methyl-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4.5/),7-hexahydiO-l//-cyclopenta|i/|pyriiiiidin-4-yl)benzonitnlc (example 2), using (R)-4-(2,5 -dioxo-1 -(3 -(tri fluoromethyl )phenyl)-2,3,4,5,6,7-hexahydro-177-cyclopenta[i/]pyrimidin-4-yl)benzonitrile (example IA, 40 mg, 0.10 mmol) as starting material. Yield: 20 mg; ESI mass spectrum [M+H]+ = 412; Rétention time HPLC: 0.59 min (X012_S01).
EXAMPLE 3
Methyl 2-(4-(4-Cyanüphenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-6,7-dihvdro-1/7cyc'lopenta|i/]pyrimidin-3(2//,4/L577)-vl)acetate
A solution of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta[<7]pyrimidin-4-yl)benzonitrile (example 1, 3.00 g, 7.55 mmol) in dry acetonitrile (45 mL) is cooled in an îce bath and treated dropwise with lithium diisopropylamide (2 M in THF, 7.55 mL, 15.1 mmol), while the température is kept below 5 °C. Methyl 2-bromoacetate (2.31 g, 15.1 mmol) is added and the mixture is stirred for 1.5 h. The mixture is then warmed to room température and stirred at room température over night. Water (0.5 mL) is added, the mixture is concentrated, and the residue is purified by reversed phase HPLC (Waters SunFire™-C[8, gradient of acetonitrile in water, 0.1% TFA). Yield: 2.64 g; ESI mass spectrum [M+H]+ = 470; Rétention time HPLC: 1.65 min (W018_S01). u/^
-8817445
EXAMPLE 4
OH
2-(4-(4-Cvanophcnyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-6,7-dihydro-l//-cvclopenta|i/]pyrimidin-3(2//,4//,5//)-yl)acetic acid
Aqueous sodium hydroxide solution (l M, 15.0 mL, 15.0 mmol) is added to a solution of methyl 2-(4-(4-cyanophenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-6)7-dihydro-l//cyciopenta[iT|pyrimidin-3(2//,4//.5/7)-vl)acetate (example 3, 2.64 g, 5.62 mmol) in tetrahydrofuran (40 mL) and the mixture is stirred at room température for 4 h. Water is added and the mixture is extracted three times with ethyl acetate. The aqueous layer is acidified io with hydrogen chloride and extracted twice with dichloromethane. These organic layers are combined and concentrated. Yield: 1.84 g; ESI mass spectrum [M+H]+ = 456; Rétention time HPLC: 0.84 min (Z018_S04).
EXAMPLE 5
is 2-(4-(4-Cyanophenyl)-2,5-dioxo-l-(3-(trifluoromethyI)phenyI)-6,7-dihydro-UT-cyclopenta[i/]pyrimidin-3(2//,4/7,5//)-yl)acetamide
-8917445 /V./V.;V\;'V'-Tctramcthyl-O-(ben7otriazol-l-yl)uronium tetrafluoroborate (43 mg,
0.13 mmol) is added to a solution of 2-(4-(4-cyanophenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-6,7-dihydro-1//-cyclopenta[i/]pyrimidin-3(2//,4//,5H)-yl)acetic acid (example 4, 60 mg, 0.13 mmol) and A^V-diisopropylethylamine (50 pL, 0.29 mmol) in s TV,A'-dimethylformamîde (0.5 mL). After 20 min aqueous ammonia (32%, 8 pL, 0.13 mmol) is added and the mixture is stirred at room température for l h. The mixture is purified by reversed phase HPLC (Waters Xbridge™-Cis, gradient of acetonitrile in water, 0.1% TFA). Yield: 36 mg; ESI mass spectrum [M+H]+ = 455; Rétention time HPLC: 0.50 min (X012-S01).
ίο
EXAMPLE 6
4-(2,5-Dioxo-3-(2-oxo-2-thiomorpholinoethyl)-l“(3-(trifluoromethyi)phenyl)2,3,4,5,6,7-hexahydro-l/Z-cyclopenta[rf]pyrimidin-4-yl)benzonitrile
A solution of 2-(4-(4-cyanophenyl)-2,5-dioxo-1 -(3-(trifluoromethyl)phenyl)-6,7-dihydroi5 l/f-cyclopenta[i/]pyrimidin-3(2/7,4/7,5//)-yl)acetic acid (example 4, 30 mg, 66 pmol) and triethylamine (30 pL, 0.22 mmol) in ΛξΤν-dirn ethyl formami de (1.25 mL) is treated with ;V,.'V,;V',A','-tctramethyl-(7-(benzotriazol· l -yl)uronium tetrafluoroborate (21 mg, 66 pmol) and stirred at room température for 15 min. This mixture is then added to a solution of thiomorpholine (13 mg, 0.13 mmol) in TV,TV-dimethylfonnamide (0.25 mL) and stirred for 72 h.
The mixture is filtered and the filtrate is purified by reversed phase HPLC (Waters Xbridge™-Ci8, gradient of methanol in water, 0.1% NH3). Yield: 20 mg; ESI mass spectrum [M+H]+ = 541; Rétention time HPLC: 1.17 min (00l_CA03). U/—
-9017445
EXAMPLES 6.1-6.46
The following examples of Table 5 are prepared in analogy to example 6, replacing thiomorpholine with the appropriate amine as starting material.
TABLE 5
Example | R3 | MS [Μ+Η]+ | Rétention time [min] | HPLCMethod |
6.1 | H 0 | 469 | 1.14 | 001_CA03 |
6.2 | -•Ύν 0 | 483 | 1.16 | 001_CA03 |
6.3 | 'V3 0 | 495 | 0.83 | Z018_S04 |
6.4 | 495 | 1.18 | 001CA03 | |
6.5 | 509 | 1.23 | 001J2A03 | |
6.6 | 0 | 509 | 1.22 | 001_CA03 |
-9117445
6.7 | 0 | 509 | 1.24 | 001_CA03 |
6.8 | H 0 | 513 | 1.15 | 001_CA03 |
6.9 | --'ύέ^7 o | 521 | 0.88 | Z011_S03 |
6.10 | 0 | 523 | 1.29 | 001_CA03 |
6.11 | 0 | 525 | 1.01 | 001_CA03 |
6.12 | 0 | 525 | 1.17 | 00ICA03 |
6.13 | o | 527 | 1.19 | 001_CA03 |
6.14 | o | 537 | 1.36 | 001CA03 |
6.15 | |^NH 0 | 538 | 0.97 | 001_CA03 |
6.16 | 0 | 538 | 1.02 | 001_ CA03 |
6.17 | 0 | 538 | 0.90 | 001_CA03 |
-9217445
6.18 | 0 <,0 | 539 | 1.11 | 001_CA03 |
6.19 | 0 | 539 | 1.09 | 001_CA03 |
6.20 | χ-γΝ^Χ?° Ο | 539 | 1.11 | 001_CA03 |
6.21 | ,.νΆ·>' 0 | 539 | 1.18 | 001CA03 |
6.22 | Η ο ό | 545 | 1.01 | 001_CA03 |
6.23 | 0 | 549 | 1.08 | 001_CA03 |
6.24 | 0 | 551 | 1.07 | 00i_CA03 |
6.25 | 'ΎΝ^Α0 0 | 552 | 1.03 | 001_CA03 |
6.26 | 0 Μ | 552 | 1.04 | 001CA03 |
6.27 | 552 | 0.91 | 001__CA03 | |
6.28 | 0 ' | 552 | 0.90 | 001_CA03 |
-9317445
6.29 | -ΎνίχΊ ο | 552 | 0.91 | 001_CA03 |
6.30 | / ο 0 | 553 | 1.14 | 001_CA03 |
6.31 | 0 ^-ΟΗ | 553 | 1.05 | 001_CA03 |
6.32 | 0 | 553 | 1.08 | 001_CA03 |
6.33 | 0 | 553 | 1.15 | 001_CA03 |
6.34 | Η Ο --''Ύ Ν θ 0 | 553 | 1.15 | 00I_CA03 |
6.35 | Η Η 0 0 | 554 | 1.02 | 001_CA03 |
6.36 | Η 1 0 | 554 | 0.91 | 00ICA03 |
6.37 | Γγ° ο | 557 | 0.98 | OO1J2AO3 |
6.38 | γΟ 0 | 561 | 1.10 | OO1J2AO3 |
-9417445
6.39 | H 0 | 562 | 0.99 | 001J2A03 |
6.40 | H rN'N- 0 | 563 | 1.07 | 001_CA03 |
6.41 | 0 | 564 | 0.83 | 001_CA03 |
6.42 | ,^nJ 0 | 564 | 0.90 | 001CA03 |
6.43 | r 0 | 566 | 1.10 | 001_CA03 |
6.44 | 0 | 566 | 1.06 | 001_CA03 |
6.45 | Ο ' | 566 | 1.06 | 001_CA03 |
6.46 | ^OCr° 0 | 588 | 1.02 | 001_CA03 |
-9517445
EXAMPLE 7
4-(4-Cy anophenyl)-V,A-dimethy 1-2,5-dioxo-l-(3-(trifluoromethyl)pheny 1)-4,5,6,7tetrahydro-l//-cvclopenta|i/|pvrimidine-3(2Z/)-carboxamide
A solution of 4-nîtrophenyl 4-(4-cyanophenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-
4,5,6,7-tetrahydro-l/f-cyclopenta[d]pyrimidine-3(2//)-carboxylate (intermediate 4, 60 mg, 0.11 mmol) in acetonitrile (1.5 mL) is treated with dimethylamine (2.0 M in tetrahydrofuran, 270 pL, 0.53 mmol) and the mixture is stirred at room température for 30 min. Water and TV^V-dimethylformamide are added and the mixture is purified by reversed phase HPLC io (Waters Xbridge™-Cig, gradient of acetonitrile in water, 0.1% NHa). Yield 28 mg, ESI mass spectrum [M+H]+ = 469; Rétention time HPLC: 0.87 min (Z018_S04).
EXAMPLES 7.1-7.11
The following examples of Table 6 are prepared in analogy to example 7, replacing dimethylamine with the appropriate amine as reagent. U—.
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TABLE 6
Example | R3 | MS [M+H]+ | Rétention time (min] | HPLCMethod |
7.I | -V H | 455 | 0.88 | Z011S03 |
7.2 | ,ΛΝ-ΧχΟΗ H | 485 | 0.85 | Z018S04 |
7.3 | H | 499 | 0.86 | Z018_S04 |
7.4 | 0 H | 499 | 0.93 | Z018_S04 |
7.5 | H | 512 | 0.72 | Z018_S04 |
7.6 | ? 9 H | 531 | 0.83 | Z018 S04 |
7.7 | H n-n \ | 535 | 0.91 | Z018_S04 |
7.8 | 9 H Λί>° | 538 | 0.84 | Z018_S04 |
-9717445
7.9 | Z O 1 | 538 | 0.85 | Z018_S04 |
7.10 | 9 °·-0 An^'s^ H | 547 | 0.87 | Z0I8S04 |
7.11 | ol | 610 | 0.9 | Z018_S04 |
EXAMPLES 7.1A AND 7.1B: ENANTIOMERS OF EXAMPLE 7.1
The enantiomers of racemic 4-(4-cyanophenyl)-.ZV-methyl-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-lf/-cyclopenta[d]pyrimidine-3(2/Z)-carboxamide (example 7.1, 124 mg, 0.27 mmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chiralpak AD-H, 20 x 250 mm, 5 pm, 20% fïo-PrOH + 0.2% diethylamine in supercritical CO2,40 °C, 150 bar back pressure).
EXAMPLE 7.1 A
(R)-4-(4-Cyanophenyl)-/V-methyl-2,5-dioxo-l-(3-(trifluoromethyI)phenyl)-4,5,6,7io tetrahydro-l/7-cyclopenta[d]pyrimidme-3(2//)-carboxamide
-9817445
Yield: 48 mg; ESI mass spectrum [M+H]+ = 455; Rétention time: 1.26 min (early eluting enantiomer) (I IB 30 MeOH_ DEA).
EXAMPLE 7.1 B
(S)-4-(4-Cyanophenyl)-Ar-methyl-2,5-dioxo-l-(3-(trifluoromethyl)phenyI)-4,5,6,7tetrahydro-1/7-cyclopenta[d|pyriniidine-3(2//)-carboxaniide
Yield: 40 mg; ESI mass spectrum [M+H]+ = 455; Rétention time: 5.24 min (late eluting enantiomer) (I IB 30 MeOH_DF.A).
EXAMPLES 7.2A AND 7.2B: ENANTIOMERS OF EXAMPLE 7.2 îo The enantiomers of racemic 4-(4-cyanophenyl)-Ar-(2-hydroxyethyl)-2,5-dioxo-l-(3(tri fluoromethyl )phenyl)-4,5,6,7-tetrahydro-17/-cyclopenta[d] pyrimidine-3 (277)carboxamide (example 7.2, 223 mg, 0.46 mmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chiralpak IB, 20 x 250 mm, 5 pm, 30% MeOH + 0.2% diethylamîne in supercritical CO2,40 °C, 120 bar back pressure),
-9917445
EXAMPLE 7.2A
(JÎ)-4-(4-Cyanophenyl)-/V-(2-hydroxyethyl)-2,5-dioxo-l-(3-(trifluoromethyi)phenyl)-
4,5,6,7-tetrahydro-l//-cyclopenta[d]pyrimidine-3(27/)-carboxamide s Yield: 78 mg; ESI mass spectrum [M+H]+ = 485; Rétention time: 1.36 min (early eluting enantiomer) (I_IB_30_MeOH_DEA).
EXAMPLE 7.2B
(S)-4-(4-Cyanophenyl)-7V-(2-hydroxyeÉhyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)i o 4,5,6,7-tetrahy dr ο-1 //-cyclopen ta [ d] py rimidine-3(2/7)-ea rboxamide
Yield: 99 mg; ESI mass spectrum [M+H]+ = 485; Rétention time: 3.38 min (early eluting enantiomer) (I_IB_30_MeOH_DEA). vJ\T
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EXAMPLE 8
Methyl 4-(4-Cyanophenyl)-2,5-dioxo-1 -(3-(trifluoromethyl)pheny 1)-4,5,6,7-tetrahydroI//-cyclopenta[d]pyriinidine-3(2//)-carboxylate
A solution of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta[</]pyrimidin-4-yl)benzonitrile (example 1, 30 mg, 0.076 mmol) in tetrahydrofuran (0.5 mL) is added to a suspension of sodium hydride (60% in minerai oil, 4 mg, 0.1 mmol) in dry tetrahydrofuran. After 20 min methyl chloroformate (6 pL, 0.078 mmol) is added, and the mixture is stirred at room température for 1 h. Water is added and the mixture is io extracted with dichloromethane. The combined organic layers are concentrated, and the residue is purified by reversed phase HPLC (Waters Xbridge™-C]8, gradient of acetonitrile în water, 0.1% NH3). Yield: 2 mg; ESI mass spectrum [M+H]+ = 456; Rétention time HPLC: 1.10 min (V0U S01).
EXAMPLE 9
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4-(3-(Methylsulfonyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro1 //-cyclopen ta [4| py r imidin-4-yl)benzonitrile
4-(2,5-Dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta[J]pyrimidin-4-yl)benzonitrile (example 1, 255 mg, 0.64 mmol) is added to a suspension of sodium hydride (60% in minerai oil, 72 mg, 1.8 mmol) in dry tetrahydrofuran (15 mL) and the mixture is stirred at room température for 10 min. Methanesulfonyl chloride (104 pL, 1.35 mmol) is added and the mixture is stirred at 50 °C for 2 h. Water (1 mL) is added and the the mixture is purified by reversed phase HPLC (Waters SunFire™-C]8, gradient of acetonitrile in water, 0.1% TFA). Yield: 230 mg; ESI mass spectrum [M+H]+ = 476; Rétention time HPLC: 0.91 min (Z018_S04).
EXAMPLES 9A AND 9B: ENANTIOMERS OF EXAMPLE 9
The enantiomers of racemîc4-(3-(methylsulfonyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-
2,3,4,5,6,7-hexahydro-17/-cyclopenta[c/]pyrimidin-4-yl)benzonitrile (example 9,230 mg, 0.48 mmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chîralpak IB, 20 x 250 mm, 5 pm, 15% MeOH + 0.2% diethylamine in supercritical CO2, 40 °C, 150 bar back pressure).
EXAMPLE 9A
(Jf)-4-(3-(MethylsuIfonyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7hexahydrο-1H-cyclopenta [rf] pyrimidin-4-yl)benzonitrîle /F
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Yield 65 mg; ESI mass spectrum [M+H]+ = 476; Rétention time: 2.25 min (early eluting enantiomer) (I lB l5 MeOH_DEA).
EXAMPLE 9B
(S)-4-(3-(Methylsulfonyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7hexahydro-l//-cyclopenta[i/|pyrimidin-4-yl)benzonitrik‘
Yield 71 mg; ESI mass spectrum [M+H]+ = 476; Rétention time: 3.04 min (late eluting enantiomer) (I_IB_15_MeOH_DEA).
EXAMPLE 10
4-(2,5-Dioxo- l-(3-(trifluoromethyl)pheny I)-2,3,4,5,6,7-h ex ahydro-1 //-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfonyl)benzonitrile
-10317445
Under an atmosphère of argon, a mixture of 4-(4-bromo-2-(methylsulfonyl)phenyl)-l-(3(trifluoromethyl)phenyî)-3,4,6,7-tetrahydro-l/Z-cyclopenta[t/]pyrimidine-2,5-dione (intermediate 8, 110 mg, 0,21 mmol), zinc cyanide (32 mg, 0.27 mmol) and tetrakis (triphenylphosphine)palladium(O) (24 mg, 21 μ mol) in AyV-dimethylformamide (2 mL) is s heated at 110 °C over night and then cooled to room température. Water îs added and the mixture is filtered. The precipitate is purified by flash chromatography on silica (gradient cyclohexane/ ethyl acetate 8:2 to 3:7). Yield: 40 mg; ESI mass spectrum: [M+H]+ = 476; Rétention time HPLC: 0.94 min (Z017_S04).
EXAMPLES 10A AND 10B: ENANTIOMERS OF EXAMPLE 10 ίο The enantiomers of racemic 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l/7-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfonyl)benzonitrile (example 10, 1.82 g, 3.83 mmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daîcel Chiralpak IB, 20 x 250 mm, 5 pm, 15% MeOH + 0.2% diethylamine in supercritical CO2, 40 °C, 120 bar back pressure).
EXAMPLE 10A
(5)-4-(2,5-Dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lZf-cyclopenta [ d [ pv r imidin-4-yl)-3-(niethylsulfonyl)benzonit rile
Yield 620 mg; ESI mass spectrum [M+H]+ = 476; Rétention time: 2.52 min (early eluting enantiomer) (I IB 20_McOH DEA).
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EXAMPLE ΙΟΒ
(JÎ)-4-(2,5-Dioxo-l-(3-(trifluoromethyl)phenyI)-2,3,4,5,6,7-hexahydro-lJ7-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfonyl)benzonitrile s Yield 554 mg; ESI mass spectrum [M+H]+ = 476; Rétention time: 2.78 min (late eluting enantiomer) (I_IB 20 X4eOH_DEA).
EXAMPLE 11
4-(l-(3-(Difluoromethyl)phenyl)-2,5-dioxo-2,3,4,5,6,7-hexahydro-lH-cydopenta[rf]io pyrimidin-4-yl)benzonitrile
Under an atmosphère of argon, a mixture of 4-(4-bromophenyl)-l-(3-(dîfluoromethyl)phenyl)-3,4,6,7-tetrahydro-l/7-cyclopenta[eZ]pyrimidine-2,5-dione (intermediate 6, 159 mg, 367 pmol), zinc cyanide (73 mg, 620 pmol) and tetrakis(triphenylphosphine)palladium(0) (42 mg, 37 pmol) in WA^-dimethylformamide (2 mL) is heated at 110 °C for 3 h and then cooled to room température. Water is added and the mixture is extracted twice with dichlo
-10517445 romethane. The residue is purified by flash chromatography on silica (gradient cyclohexane/ ethyl acetate 7:3 to ethyl acetate). Yield: 82 mg; ESI mass spectrum: [M+H]+ = 380; Rétention time HPLC: 0.49 min (X012_S01).
EXAMPLE 12
5-(2,5-Dioxo-l-(3-(trifluoroniethyl)phenyl)-2,3,4,5,6,7-liexahydro-l/7-cyclopcnta|d|pyriinidin-4-yl)picolinonitrile
Under an atmosphère of argon, a mixture of4-(6-chloropyridîn-3-yl)-l-(3-(trifluoromethyl )phcnyl )-3,4,6.7-tctrahydro-1//-cyclopenta[i7|pyrimidiiic-2,5-dione (intermediate 11, io 120mg, 294 pmol), zinc cyanide (59 mg, 0.50 mmol) and tetrakîs(triphenylphosphine)palladium(O) (34 mg, 29 pmol) in .V,A'-dimcthylfbmiamidc (2 mL) is heated at 110 °C for 24 h. The reaction mixture is cooled to room température and then purified by préparative reversed phase HPLC (Waters Xbridge™-Ci8, gradient of acetonitrile in water, 0.1% TFA). Yield: 10 mg; ESI mass spectrum [M+H]+ = 399; Rétention time HPLC: 0.50 min is (V012_S01). Jî/-10617445
EXAMPLE 13
3-Bromo-4-(2,5-dioxo-l-(3-(trifluoromethyl)pheiiyl)-2,3,4,5,6,7-hexahydro-l/7cyclopenta[d]pyrîmidin-4-yl)benzonitrile
Triethylamine (0.43 mL, 3.0 mmol) is added to a mixture of 4-(amino(5-oxo-2-(3-(trifluoromethyl)phenylamino)cyclopent-1 -enyl)methyl)-3-bromobenzonitrile hydrochloride (intermediate 20, 5.90 g, 12.1 mmol) and Ι,Γ-carbonyldiimîdazole (2.46 g, 15.2 mmol) in acetonitrile (60 mL), and the mixture is stirred at room température over night. Water (700 mL) is added and the precipitate is filtered, washed with water and dried. Yield: 5.45 g. ESI io mass spectrum: [(79Br)-M+H]+ = 476, [(81Br)-M+H]+ = 478; Rétention time HPLC: 1.10 min (X011S01).
EXAMPLE 14
4-(2,5-Dioxo-l -(3-(trifluoromethyl)pheny 1)-2,3,4,5,6,7-hexahydro-lf/-cyclopenta [d ] pyrimidin-4-y I)-3-(ethyls ulfonyl)benzonitrile
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Triethylamine (125 pL, 0.89 mmol) is added to a mixture of 4-(amino(5-oxo-2-(3(trifluoromethyl)phenylamino)cycIopent-l-enyl)methyI)-3-(ethylsuIfonyl)benzonitrile hydrochloride (intermediate 20.2, 1.78 g, 3.56 mmol) and Ι,Γ-carbonyldiimîdazoIe (720 mg, 4.45 mmol) in acetonitrile (20 mL), and the mixture is stirred at room température for 1
h. The mixture is concentrated under reduced pressure, and the residue is treated with water (20 mL). The precipitate is filtered and dried. Yield: 1.61 g. ESI mass spectrum: [M+H]+ = 490; Rétention time HPLC: 0.56 min (X012_S01).
EXAMPLES 14A AND 14B: ENANTIOMERS OF EXAMPLE 14
The enantiomers of racemic 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexaio hydro-lff-cyclopenta[d]pyrimidin-4-yl)-3-(ethylsulfonyl)benzonitrile (example 14, 48 mg, pmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chiralpak IB, 20 x 250 mm, 5 pm, 20% MeOH + 0.2% diethylamine in supercritical CO2,40 °C, 150 bar back pressure).
EXAMPLE 14A
(.Ç)-4-(2,5-l)ioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6.7-hexahydro-l/7-cydopenta [d] py r imidin-4-y l)-3-(ethylsulfonyl)benzonitr île
Yield: 16 mg; ESI mass spectrum [M+H]+ = 490; Rétention time: 2.28 min (early eluting enantiomer) (I IB 20 MeOH DEA).
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EXAMPLE 14B
(7î)-4-(2,5-Dioxo-l-(3-(trÎfluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lff-cyclopenta [d] py r imidin-4-yl)-3-(ethyls ulfony l)benzonitrile
Yield: 16 mg; ESI mass spectrum [M+H]+ = 490; Rétention time: 2.82 min (late eluting enantiomer) (I_IB_20_MeOH_DEA).
EXAMPLE 15
3-Chloro-4-(2,5-dioxo-1 -(3-( trifluo romethyljpheny 1)-2,3,4,5,6,7-hexahydro-1Hio cyclopenta[d]pyrimidin-4-yl)benzonitrile
Triethylamine (0.38 mL, 2.70 mmol) is added to a mixture of 4-(amino(5-oxo-2-(3-(trifluoromethyl)phenylamino)cyclopent-l-enyl)methyl)-3-chlorobenzonitrile hydrochloride (intermediate 20.1,660 mg, 1.34 mmol based on 90% purity) and l,l’-carbonyldiimidazole (270 mg, 1.68 mmol) in acetonitrile (5 mL), and the mixture is stirred at room température 15 over night. Water and dichloromethane are added, and the phases are separated. The organic layer is concentrated under reduced pressure and purified by reversed phase HPLC
-10917445 (Waters Xbridge™-Cis, gradient of acetonitrile in water, 0.1% TFA). Yield: 290 mg. ESI mass spectrum: [M+H]+ = 432; Rétention time HPLC: 0.61 min (X012 S01 ).
EXAMPLES 15.1 - 15.7
The following examples of Table 7 are prepared în analogy to 3-chloro-4-(2,5-dioxo-l-(35 (trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lH-cyclopenta[d]pyrimîdin-4-yl)benzonitrile (example 15), using the appropriate startîng material and the purification method as indicated in the table (Method A: Waters Xbridge™-C]8, gradient of acetonitrile in water, 0.1% TFA; Method B: Waters SunFire™-C[8, gradient of acetonitrile in water, 0.1% TFA; Method C: Waters SunFire™-Ci8, gradient of acetonitrile in water, 0.1% formic acid).
TABLE 7
Example | Startîng Material | Structure | Purification Method | MS [M+H]+ | Rétention time [min] | HPLCMethod |
15.1 | intermediate 20.3 | X ll o | A | 428 | 0.59 | X012_S01 |
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15.2 | intermediate 20.4 | a 0 <χτ 'SZo Ô'CF, | A | 412 | 0.60 | X012_S01 |
15.3 | intermediate 20.6 | ! Ôn O T ÔCT ^CF, | B | 399 | 0.51 | X011S03 |
15.4 | intermediate 20.7 | ! Ôç Q T Oô όψ F | B | 458 | 0.91 | Z018_S04 |
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15.5 | intermediate 20.8 | N 111 0 /TT NH <Aa, | C | 399 | 0.91 | Z018_S04 |
15.6 | intermediate 20.9 | ! όψ Q Too (HH îXf, | B | 477 | 0.90 | Z018_S04 |
15.7 | intermediate 24 | H 0 -ŒT àcF3 | A | 412 | 0.63 | X012JS01 |
EXAMPLES 15.3A AND 15.3B: ENANT10MERS OF EXAMPLE 15.3
The enantiomers of racemic 6-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta[d]pyrimidin-4-yI)nicotinonitrile (example 15.3, 650 mg, 1.63 mmol) /Γ
-11217445 are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chiralpak IB, 20 x 250 mm, 5 pm, 25% MeOH + 0.2% diethylamine in supercritical CO2, 40 °C, 150 bar back pressure).
EXAMPLE 15.3 A
(5)-6-(2,5-Dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro- l//-cyclopenta|d|pyrimidin-4-yl)nicotinonïtrile
Yield: 140 mg; ESI mass spectrum [M+H]+ = 399; Rétention time: 3.24 min (late eluting enantiomer) (IJB 25 MeOH_NH3).
EXAMPLE 15.3B
(Æ)-6-(2,5-Dioxo-l-(3-(trifliioromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta[d]pyrimidin-4-yl)nicotinonitrile
Yield: 130 mg; ESI mass spectrum [M+H]+ = 399; Rétention time: 2.66 min (early eluting enantiomer) (I_IB_25_MeOH_NH3).
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EXAMPLES 15.4A AND 15.4B: ENANT10MERS OF EXAMPLE 15.4
The enantiomers of racemic 4-(l-(3-(difluoromethyl)phenyl)-2,5-dioxo-2,3,4,5,6,7-hexahydro-1//-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfbnyl)bcnzonitrilc (example 15.4, 27 mg, 59 pmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chiralpak IA, 20 x 250 mm, 5 pm, 30% MeOH + 0.2% diethylamine in supercritical CO2, 40 °C, 120 bar back pressure).
EXAMPLE I5.4A
(5)-4-(1-(3-( Difluoromethy l)phenyl)-2.5-dioxo-2.3,4,5,6,7-hexahydro-l//-<:y cioio p<?nta|d|pyrimidin-4-yl)-3-(methylsulfonyl)benzonitrile
Yield: 10 mg; ESI mass spectrum [M+H]+ = 458; Rétention time: 2.37 min (early eluting enantiomer) (I_IA_30_MeOH_NH3).
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EXAMPLE 15.4B
(//)-4-(1-(3-( Difluorometh y l)phenyl)-2,5-dioxo-2,3,4,5,6,7-hexahydro-lH-cyclopenta [ d] py r Îmidin-4-y l)-3-(me thy Isu lfonyl)benzonitrile
Yield: 10 mg; ESI mass spectrum [M+H]+ = 458; Rétention time: 3.00 min (late eluting enantiomer) (I_IA_30_MeOH_NH3).
EXAMPLE 16
4-(2,5-Dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta|d|ι o pyriniidiii-4-yl)-3-(methylthio)benzonitrile
Under an atmosphère of argon, a mixture of 4-(4-bromo-2-(methylthio)phenyl)-l-(3(trifluoromethyl)phenyl)-3,4,6,7-tetrahydro-17/-cyclopenta|d]pyrimidine-2,5-dione (intermediate 25, 1.74 g, 2.8 mmol based on 80% purity), zinc cyanide (430 mg, 3.64 mmol) and tetrakïs (triphenylphosphine)palladîum(O) (323 mg, 0.28 mmol) in X,X-dimethyIformamide 15 (12 mL) is heated at 110 °C over night and then cooled to room température. Water is
-11517445 added, and the mixture is extracted with dichloromethane. The organic layer is concentrated under reducd pressure,and the residue is purified by reversed phase HPLC (Waters Xbridge™-Cis, gradient of acetonitrile in water, 0.1% NH3). Yield: 1.09 g. ESI mass spectrum: [M+H]+ = 444; Rétention time HPLC: 0.58 min (X01 l_S03).
s EXAMPLE 17
4-(2,5-Dioxo-1-(3-( trifluoromethyl)phenyI)-2,3,4,5,6,7-hexahydro-1//-cyclopentajd] pyrimidin-4-yl)-3-(methylsulfinyl)benzonitrile meta-Chloroperoxybenzoic acid (77%, 390 mg, 1.74 mmol) is added at room température io to a solution of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyI)-2,3,4,5,6,7-hexahydro-l//cyclopenta[d]pyrimidin-4-yl)-3-(methylthio)benzonitrile (example 16, 776 mg, 1.75 mmol) in dichloromethane, and the mixture is stirred for 30 min. Saturated aqueous NaHCO3 solution is added, and the mixture is extracted with dichloromethane. The combined organic layers are concentrated under reduced pressure, and the residue is purified by flash is chromatography on silica (gradient cyclohexane/ethyl acetate 1:1 to ethyl acetate. Yield: 527 mg; ESI mass spectrum [M+H]+ = 460; Rétention time HPLC: 0.48 min (early eluting dîastereomer), 0.49 (late eluting diastereomer) (X012_S01).
EXAMPLES 17A AND 17B: DIASTEREOMERS OF EXAMPLE 17
The diastereomers of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro20 17f-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfinyl)benzonitrile (example 17, 35 mg) are
-11617445 separated by by reversed phase HPLC (Waters Xbridge™-Cig, gradient of acetonitrile in water, 0.1% TFA).
Example 17A:
Yield: 11 mg; ESI mass spectrum [M+H]+ = 460; Rétention time HPLC: 0.48 min (early 5 elutingdiastereomer) (XOI2_S01).
Example 17B:
Yield: 7 mg; ESI mass spectrum [M+H]+ = 460; Rétention time HPLC: 0.50 min (late eluting diastereomer) (X012 S01).
EXAMPLE 18
4-(2,5-Dioxo-l-(3-(trifluorornethyi)phenvl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta|d|pyrimidin-4-yl)-3-fIuorobenzonitrile
-11717445
Step l :
4-(ChIoro(isocyanato)methyi)-3-fluorobenzonitrile
Phosphorous pentachloride (9.63 g, 46.2 mmol) is added to a mixture of dïethyl (4-cyano-2fluorophenyl)methylenedicarbamate (intermediate 26, 6.50 g, 21.0 mmol) in toluene (25.0 mL), and the mixture is heated at reflux for 3 h. The toluene is evaporated, and the mixture is then purified by distillation under reduced pressure. The first fraction (ca. 35 °C, ca. 0.2 mbar) is dîscarded.The second fraction (ca. 112 °C, ca. 0.1 mbar) is collected. Yield: 1.90 g.
Step 2:
4-(2,5-Dioxo- l-(3-(trifluoro methyl) phenyl)-2,3,4,5,6,7-hexahydro-1 H-cyclopenta [d] pyrimidin-4-yl)-3-fluorobenzonitrile
A solution of 4-(chloro(isocyanato)methyl)-3-fluorobenzonitrile (Step 1, 3.05 g,
14.5 mmol) in dîchloromethane (10 mL) is added to a solution of 3-(3-(trifluoromethyl)phenylamino)cyclopent-2-enone (3.50 g, 14.5 mmol) in dîchloromethane (10 mL), and the mixture is heated at reflux over night. Ail volatiles are removed under reduced pressure, and the residue is purified by reversed phase HPLC (Agilent ZORBAX™ SB-Cjg, gradient of acetonitrile in water, 0.1% formic acid). Yield: 474 mg; ESI mass spectrum [M+H]+ = 416; Rétention time HPLC: 0.94 min (Z017 S04). LB5FAI00917
EXAMPLE 19
OH
-11817445
2-(4-(4-Cyano-2-(methylsulfonyl)phenyl)-2,5-dioxo-l-(3-(trïfluoromethyl)phenyl)-6,7dihydro-1 J/-cyclopenta[d]pyrimidin-3(2//,4//,5Z/)-yl)acetic acid
Aqueous sodium hydroxide solution (1.0 M, 10.0 mL, 10.0 mmol) is added to a solution of ethyl 2-(4-(4-cyano-2-(methylsulfonyl)phenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)s 6,7-dihydro-l //-cyclopenta|d|pyrimidin-3(2//,4//,5/7)-yl)acetate (intermediate 29, 1.80 g,
3.20 mmol) in tetrahydrofuran (40 mL), and the mixture is stirred at room température over night. Another portion of aqueous sodium hydroxide solution (4.0 M, 2.0 mL, 8.0 mmol) and methanol (5.0 mL) is added, and mixture is stirred over night, Aqueous hydrogen chloride ( 1.0 M, 10 mL) is added, and the mixture is extracted with ethyl acetate. The jo organic layer is concentrated under reduced pressure, and the residue is purified reversed phase HPLC (Waters SunFire™-C18, gradient of acetonitrile in water, 0.1% TFA). Yield:
229 mg; ESI mass spectrum: [M+H]+ = 534; Rétention time HPLC: 0.96 min (Z018_S04).
EXAMPLE 20
2-(4-(4-Cyanophenyl)-2,5-dioxo-l-(3-(trifluoroniethyl)phenyl)-6,7-dihydro-l/7cyclopenta[d]pyrimidin-3(2/f,4if,5Z0-yl)-7V-(2-hydroxyethyl)propanainide
A solution of 2-(4-(4-cyanophenyl)-2,5-dioxo-l -(3-(trifluoromethyl)phenyl)-6,7-dihydrol//-cyclopenta[d]pyrimidin-3(2//,4/f,5/f)-yl)propanoic acid (intermediate 28, 40 mg, pmol) and triethylamine (45 pL, 0.32 mmol) in ΛζΛΜΐιη ethyl formamide (1.5 mL) is treated with 7V,jV,Ar’,Àr’-tetramethyl-0-(benzotriazoM-yl)uronium tetrafluoroborate (27 mg, pmol) and stirred at room température for 15 min. Ethanolamine (12 pL, 0.21 mmol) is added and the mixture is stirred at room température for 1 h. The mixture is diluted with A',;V-dimethylformamide and purified by reversed phase HPLC (Waters SunFire™-C]8, gra-11917445 dient of acetonitrile in water, 0.1% TFA). Yield: 37 mg; ESI mass spectrum [M+H]+ = 513;
Rétention time HPLC: 0.81 min (Z018_S04).
EXAMPLE 21
OH
2-(4-(4-Cyano-2-(methylsiilfonyl)phenyI)-2,5-dïoxo-l-(3-(trifluoromethyl)phenyl)-6,7dihydro-l//-cyclopenta[d|pyrimidin-3(2//,4//,5//)-yl)-,V-(2-hydroxyethyl)-.V-niethylacetamide
A solution of 2-(4-(4-cyano-2-(methylsulfonyl)phenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-6,7-dihydro-I/7-cyclopenta[d]pyrimidin-3(2/7,4/f,5//)-yl)acetic acid (example 19, 23 mg, 43 pmol) and triethylamine (18 pL, 0.13 mmol) in ,V,.V-dimethylformamide (1.0 mL) îs stirred at room température for 5 min and treated with MVJV’pV’-tetramethyl0-(benzotriazol-l-yl)uronium tetrafluoroborate (13 mg, 43 pmol). After 5 min, 2-(methylamino)ethanol (10 pL, 0.13 mmol) is added. The mixture is stirred at room température for 3 h and purified by reversed phase HPLC (Waters Xbridge™-Cis, gradient of acetonitrile in water, 0.1% NH3). Yield: 15 mg; ESI mass spectrum [M+H]+ = 591; Rétention time HPLC: 0.89 min (Z01 l_S03).
EXAMPLES 22.1 -22.9
The following examples of Table 8 are prepared in analogy to 2-(4-(4-cyano-2-(methylsulfonyl)phenyl)-2,5-dioxo-1-(3-(trifluoromethyl)phenyl)-6,7-dihydro-1/7-cyclopenta[d]pyrimidin-3(2Ff,47ï,57ï)-yl)-Af-(2-hydroxyethyl)-?/-methylacetamid (example 21), using the appropriate amine as reagent, xjy'
-12017445
TABLE 8
Example | R3 | MS [μ+ηΓ | Rétention time [min] | HPLCMethod |
22.1 | ,-Ύνχ 0 | 561 | 0.81 | 005_CA0l |
22.2 | -v3 ο | 573 | 0.81 | 005_CA01 |
22.3 | 0 | 587 | 0.84 | 005_CA0l |
22.4 | 0 | 599 | 0.87 | 005_CA0i |
22.5 | 0 | 603 | 0.80 | 005_CA0l |
22.6 | I 0 | 605 | 0.83 | 005_CA0l |
22.7 | F ...ΎίΟ ο | 605 | 0.82 | 005_CA01 |
-12117445
22.8 | rr0 O | 631 | 0.85 | 005_CA01 |
22.9 | O | 641 | 0.79 | 005_CA01 |
EXAMPLE 22
4-(3-(Cyanornethyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro1 //-cy clopen ta [d ] py rimidin-4-y l)benzonitrile
Sodium hydride (60% in minerai oil, 11 mg, 0.29 mmol) is added to a solution of 4-(2,5-dioxo-l-(3-(trifluoro-methyl)phenyl)-2,3J4,5,6,7-hexahydro-lf/-cyclopenta[if|pyrimidin-4-yl)benzonitrile (example 1, 40 mg, 96 pmol) in acetonitrile (3.0 mL). After 20 min, 2-iodoacetonitrile (7 pL, 0.1 mmol) is added. The mixture is stirred at room température over night and purified by reversed phase HPLC (Waters Xbridge™-Ci8, graio dient of acetonitrile in water, 0.1% TFA). Yield: 11 mg; ESI mass spectrum [M+H]+ = 437;
Rétention time HPLC: 0.63 min (X012_S01).
-12217445
EXAMPLE 23
(y)-4-(3-(Cyanoniethyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5.6,7-hexahydrol//-cycIopenta[d]pyrimidin-4-yl)-3-(methylsulfonyl)benzonitrile s Sodium hydride (60% in minerai oil, 12 mg, 0.30 mmol) is added to a solution of (5)-4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lff-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfonyl)benzonitrile (example ÎOA, 50 mg, 105 pmol) in tetrahydrofuran (3.0 mL). After 20 mîn, 2-iodoacetonitrile (8 pL, 0.11 mmol) is added. After 2 h, a second portion of 2-iodoacetonitrile (8 pL, 0.11 mmol) is added. After 2 h, a ίο third portion of 2-iodoacetonitrile (8 pL, 0.11 mmol) is added. The mixture is stirred over night, treated with acetonitrile and purified by reversed phase HPLC (Waters SunFire™Cia, gradient of acetonitrile in water, 0.1% TFA). Yield: 8 mg; ESI mass spectrum [M+H]+ = 515; Rétention time HPLC: 1.01 min (Z018_S04).
EXAMPLE 24
-12317445
4-(3-Ethyl-2,5-dÎoxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lZfcyclopenta [d] pyrimidm-4-y l)-3-(mcthyisulfonyl)benzonitrile
Bromoethane (20 pL, 0.27 mmol) is added to a solution of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3i4,5,6,7-hexahydro-177-cyclopenta[d]pyrimidin-4-yl)-3-(methyl5 sulfonyl)benzonitrile (example 10, 60 mg, 0.11 mmol based on 90% purity) and césium carbonate (74 mg, 0.23 mmol) in /V,AMimethylformamide (2.0 mL). The mixture is stirred at room température over night and purified by reversed phase HPLC (Waters SunFire™C[g, gradient of acetonitrile in water, 0.1% TFA). Yield: 23 mg; ESI mass spectrum [M+H]+ = 504; Rétention time HPLC: 0.86 min (005 CA01).
io EXAMPLES 24.1 -24.6
The following examples of Table 9 are prepard in analogy to 4-(3-ethyl-2,5-dioxo-l-(3(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta[d]pyrimidin-4-yl)-3(methylsulfonyl)benzonitrile (example 24), substituting bromoethane with the appropriate alkylating reagent and using the purification method indicated in the table (Method A:
Waters SunFire™-C[8, gradient of acetonitrile in water, 0.1% TFA; Method B: Waters
Xbridge™-C]8, gradient of acetonitrile in water, 0.1% NH3; Method C: Waters Xbridge™Phenyl, gradient of methanol in water, 0.1 % TFA).
TABLE 9
-12417445
Example | R3 | Purification Metbod | MS [Μ+ΗΓ | Rétention time [min] | HPLCMethod |
24.1 | C | 534 | 0.97 | Z018_S04 | |
24.2 | A | 534 | 0.84 | 005_CA01 | |
24.3 | --V F | A | 540 | 1.07 | Z018_S04 |
24.4 | A | 548 | 0.86 | 005_CA01 | |
24.5 | æo | A | 574 | 1.05 | Z018_S04 |
24.6 | B | 588 | 0.87 | 003_CA04 |
EXAMPLE 25
(^^-(B-Methyl-l^-dioxo-l-tS-ttrifluoromethylJphenyiJ^S^S^Î-hexahydro-l//cyclopenta[d]pyrimidin-4-yl)-3-(methyisulfonyi)benzonitriie
A solution of (5)-4-(2,5-dioxo-l -(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-1Hcyclopenta[d]pyrimidin-4-yl)-3 -(methyl sulfonyl)benzonitrile (example 10A, 50 mg,
-12517445
0.11 mmol) in ALV-dimethyl fonnamidc ( l .0 mL) is treated with lithium diisopropylamide (1.8 M in tetrahydrofuran/heptane/ethylbenzene, 63 pL, 0.12 mmol) and methyl iodide (9 pL, 0.14 mmol). After 20 min the mixture is diluted with acetonitrile and purified by reversed phase HPLC (Agilent ZORBAX™ SB-Cig, gradient of acetonitrile in water, 0.1% formic acid).Yield: 15 mg; ESI mass spectrum [M+H]+ = 490; Rétention time HPLC: 1.00 min (Z017_S04).
EXAMPLE 26
N O
4-(l-(3-(Difluoromethyi)phenyi)-3-methyl-2,5-dioxo-2,3,4,5,6,7-hexahydro-l/fι o cyclopenta [ d] py r iimdin-4-yl)benzonitrile
Sodium hydride (60% in minerai oil, 13 mg, 0.32 mmol) is added to a solution of 4-(l-(3-(difluoromethyl)phenyl)-2,5-dioxo-2,3,4,5,6,7-hexahydro-17/-cyclopenta[if|pyrimidin-4-yl)benzonitriie (example 11, 100 mg, 0.26 mmol) in tetrahydrofuran. After 20 min methyl iodide (22 pL, 0.35 mmol) is added and the mixture is stirred at room température over night. Water is added and the mixture is purified by reversed phase HPLC (Waters SunFire™-Cis, gradient of acetonitrile în water, 0.1% TFA). Yield: 55 mg; ESI mass spectrum [M+H]+ = 394; Rétention time HPLC: 0.74 min (005_CA01).
EXAMPLES 26A AND 26B: ENANTIOMERS OF EXAMPLE 26
The enantiomers of racemic 4-(l-(3-(difluoromethyl)phenyl)-3-methyl-2,5-dioxo20 2,3,4,5,6,7-hexahydro-lf/-cyclopenta[d]pyrimidin-4-yl)benzonitrile (example 26, 50 mg,
0.13 mmol) are separated by préparative supercritical fluid chromatography on a chiral
-12617445 phase (Daicel Chiralpak IA, 20 x 250 mm, 5 pm, 20% MeOH + 20 mM NH3 in supercritical CCK 40 °C, 150 bar back pressure).
EXAMPLE 26A
(ff)-4-( 1-(3-( Difluoromethyl)phenyl)-3-methyl-2,5-dioxo-2,3,4,5,6,7-hexahydr o-l Hcyclopenta [d] pyrimidin-4-yl)benzonitrile
Yield 23 mg; ESI mass spectrum [M+H]+ = 394; Rétention time: 2.03 min (early eluting enantiomer) (I_IA_20_MeOH_NH3).
EXAMPLE 26B
(5)-4-(1 -(3-(Difluoromethyl)phenyl)-3-methy 1-2,5-dioxo-2,3,4,5,6,7-hexahydro-1Hcyclopenta [d ] pyrimidm-4-yl)benzonitrile
Yield 23 mg; ESI mass spectrum [M+H]+ = 394; Rétention time: 2.62 min (late eluting enantiomer) (Ι ΙΛ 20 McOH NHj).
-12717445
EXAMPLES 26.1-26.4
The following examples of Table 10 are prepared in analog to 4-(l-(3-(difluoromethyl)phenyl)-3-methyl-2,5-dioxo-2,3,4,5,6,7-hexahydro-177-cyclopenta[d]pyrimidin-4-yl)benzonitrile (example 26), using the appropriate starting material as indicated in the table and substituting tetrahydrofuran with acetonitrile as solvent.
TABLE 10
Example | Starting Material | R1 | MS |Μ+Η]+ | Rétention time [min] | HPLCMethod |
26.1 | example 15.3 | ά 1 1 1 | 413 | 0.58 | X0Il_S03 |
26.2 | example 15.2 | ά « « 1 | 426 | 0.61 | X012_S01 |
26.3 | example 15.1 | « | 442 | 0.64 | X012S01 |
26.4 | example 15 | ά. 1 1 | 446 | 0.61 | X0I2_S01 |
AT
-12817445
EXAMPLE 27
4-(l-(3-(Difluoromethyl)phenyl)-3-methyl-2,5-dioxo-2,3,4,5,6,7-hexahydro-lff-cyclopenta[d]pyrimidîn-4-yl)-3-(inethylsulfonyl)benzonitriIe
Methyl idodîde (15 pL, 0.24 mmol) is added to a solution of 4-(l-(3-(difluoromethyl)phenyl)-2,5-dioxo-2,3,4,5,6,7-hcxahydro-l//-cyclopcnta[d]pyrimidin-4-yi)-3-(methylsulfonyl)benzonitrile (example 15.4, 69 mg, 0.15 mmol) and césium carbonate (98 mg, 0.30 mmol) in .V,.V-dimethyl formamide ( 1.0 mL). The mixture is stirred at room température for h and purified by reversed phase HPLC (Waters SunFire™-C]g, gradient of acetonitrile in io water, 0.1% TFA). Yield: 19 mg; ESI mass spectrum [M+H]+ = 472; Rétention time HPLC:
0.97 min (Z018_S04).
EXAMPLES 27.1 -27.3
The following examples of Table 11 are prepared in analog to 4-(l-(3-(difluoromethyl)phenyl)-3-methyl-2,5-dioxo-2,3,4,5,6,7-hexahydro-177-cycIopenta[d]pyrimidin-4-yl)-3is (methylsulfonyl)benzonitrile (example 27), using the appropriate starting material as indicated in the table,
-12917445
TABLE 11
Example | Starting Material | R’ | MS [M+H]+ | Rétention time [min] | HPLCMethod |
27.1 | example 16 | et 1 • | 458 | 1.04 | Z017_S04 |
27.2 | example 13 | à. 1 1 | 490, 492 | 1.18 | V011_S01 |
27.3 | example 14 | dL ! 0 b | 504 | 0.62 | X0I2S01 |
EXAMPLE 28
4-(3-Methyl-2,5-dioxo-l-(2-(trifluoro methyl) pyridin-4-y 1)-2,3,4,5,6,7-hexahydro- 1Hcyclopenta[d]pyriniidm-4-yl)benzonitrile m/·''
-13017445
Césium carbonate (82 mg, 0.25 mmol) is added to a solution of 4-(2,5-Dioxo-l-(2-(trifluoromethyl)pyridin-4-y 1)-2,3,4,5,6,7-hexahydro-17/-cyclopenta[d]pyrimidin-4-yl)benzonitrile (example 15.5, 50 mg, 0.13 mmol) in AyV-dimethylformamide (1.0 mL). Methyl iodide (28 mg, 0.20 mmol) is added, and the mixture is stirred at room température for 1 h 5 and purified by reversed phase HPLC (Waters SunFire™-C]s, gradient of acetonitrile in water, 0.1% TFA). Yield: 43 mg; ESI mass spectrum [M+H]+ = 413; Rétention time HPLC: 0.78 min (005 CA01).
EXAMPLE 29
ι o 4-(3-Methy 1-2,5-dioxo-1 -(2-(trifluor omethy l)py ridin-4-yl)-2,3,4,5,6,7-hexahydro-1Hcyclopenta|d|pyrimidin-4-yl)-3-(niethylsulfonyl)benzonitrile
Methyl iodide (2 M in tert-butyl methyl ether, 63 pL, 0.13 mmol) is added to a solution of 4-(2,5-dioxo-l-(2-(trifluoromethyl)pyridin-4-yl)-2,3,4,5,6,7-hexahydro-l/f-cyclopenta[d]pyrimidin-4-yl)-3-(methyl sulfonyl)benzonitrîle (example 15.6, 50 mg, 0.11 mmol) and is césium carbonate (68 mg, 0.21 mmol) in V,V-dimcthylfonnamide (2.0 mL), and the mixture ist stirred at room température over night. Water is added and the mixture is purified by reversed phase HPLC (Waters SunFire™-Ci8, gradient of acetonitrile in water, 0.1% TFA). Yield: 39 mg; ESI mass spectrum [M+H]+ = 491 ; Rétention time HPLC: 0.97 min (Z018_S04).
-13117445
EXAMPLES 30A AND 30B: DIASTEREOMERS OF EXAMPLE 30
4-(3-Methyl-2,5-dioxo-l-(3-(trïfluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-17f-cyclopenta[d]pyrimîdin-4-yl)-3-(methylsulfmyl)benzonitrile
A solution of 4-(3-methyl-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydroli/-cyclopenta[d]pyrimidin-4-yl)-3-(rnethylthio)benzonitrile (example 27, l, 20 mg, 0.04 mmol) in dichloromethane (3.0 mL) is treated with meta-chloroperoxybenzoic acid (77%, 10 mg, 0.04 mmol), and the mixture is stirred at room température for 20 min. Ail volatiles are removed under reduced pressure, and the residue is purified by reversed phase ίο HPLC (Waters SunFire™-C]g, gradient of acetonitrile in water, 0.1 % TFA), whereupon the two diastereomers of 4-(3-methyl-2,5-dioxo-l -(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7hexahydro-1 /f-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfinyl)benzonitrile are separated.
Example 30A:
Yield: 9 mg; ESI mass spectrum [M+H]+ = 474; Rétention time HPLC: 0.94 min (early eluting diastereomer) (ZO18S04).
Example 30B:
Yield: 8 mg; ESI mass spectrum [M+H]+ = 474; Rétention time HPLC: 0.96 min (late eluting diastereomer) (Z018_S04).
-13217445
EXAMPLE 31
Ethyl 4-(4-Cyanopheny l)-2,5-dioxo-l-(3-(trifluoro methyl) phenyl)-4,5,6,7-tetrahydro17/-cyclopenta[d]pyrimidine-3(27/)-carboxylate
A solution of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//cyclopenta[d]pyrimidin-4-yl)benzonitrile (example 1,40 mg, 0.10 mmol) in dichloromethane (1.0 mL) is treated with AQV-dîisopropylethylamine (70 pL, 0.4 mmol) and 4-dimethylaminopyridine (13 mg, 0.11 mmol). Ethyl chloroformate (11 pL, 0.11 mmol) is added and the mixture is stirred at room température for 2 h. Ail volatiles are evaporated ίο and the residue is purified by reversed phase HPLC (Waters Xbridge™-C]8, gradient of acetonitrile in water, 0.1% NH3). Yield: 46 mg; ESI mass spectrum [M+H]+ - 470; Rétention time HPLC: 0.90 min (Z01 l_S03).
EXAMPLES 31.1-31.3
The following compounds of Table 12 are prepared in analogy to ethyl 4-(4-cyanophenyl)15 2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-lf/-cyclopenta[d]pyrimidine3(277)-carboxylate (example 31 ), replacing ethyl chloroformate with the appropriate chloroformate. '
-13317445
TABLE 12
Example | R3 | MS ]M+H]+ | Rétention time [min] | HPLCMethod |
31.1 | À- | 484 | 0.94 | Z011_S03 |
31.2 | ,.Ao^ox | 500 | 0.88 | Z011_S03 |
31.3 | fl Q..0 | 548 | 0.87 | Z018_S04 |
EXAMPLES 32.1 -32.4
The following compounds of Table 13 are prepared in analog to methyl 4-(4-cyanophenyl)-
2,5-dioxo-1-(3~(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-lf/-cyclopenta[i/]pyrimidine3(2/Z)-carboxylate (example 8), replacing methyl chloroformate with the appropriate chloroformate as reagent. tAZ'
-13417445
TABLE !3
Ex ample | R3 | MS [M+H]+ | Rétention time [min] | HPLCMethod |
32.1 | ,v | 534 | 0.59 | X011S03 |
32.2 | -V | 548 | 0.62 | X011S03 |
32.3 | 578 | 0.60 | X011S03 | |
32.4 | A'-Q | 532 | 0.70 | X012S01 |
-13517445
EXAMPLE 33
(S)-Methyl 4-(4-cyano-2-(methylsulfonyl)phenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-lZf-cyclopenta[d]pyrimidine-3(2Z0-carboxylate
The title compound is prepared in analogy to ethyl 4-(4-cyanophenyl)-2,5-dioxo-1 -(3-(trifluoromethyl)phenyl )-4,5,6,7-tetrahydro-l //-cyclopcnta[d]pyrimidinc-3(2//)-carboxylatc (example 31, 110 mg, 0.23 mmol), using (5)-4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-
2,3,4,5,6,7-hexahydro-l/f-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfonyl)benzomtrile (example 1 OA) as starting material and substituting ethyl chloroformate with methyl chloro- io formate. Yield: 76 mg; ESI mass spectrum [M+H]+ = 534; Rétention time HPLC: 1.01 min (Z0I8S04).
EXAMPLE 34
Methyl 4-(4-(4-Cyanophenyl)-2,5-dioxo-1-(3-(trifluoroinethyl)phenyl)-6,7-dihydro-l//15 cyd<)penta[d]pyrimidin-3(2//,4//,5//)-ylsulfonyl)butanoate
-13617445
A solution of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro- l/Y-cyclopcnta| Jjpyrimidin-4-yl)benzonitri!e (example 1, 70 mg, 0.18 mmol) in a mixture of tetrahydrofuran (1.5 mL) and TY^V-dimethylformamide (150 pL) is treated with sodium hydride (60% in minerai oil, 28 mg, 0.7 mmol) and stirred at room température for 5 min. Methyl
4-(chlorosulfonyl)butanoate ( 106 mg, 0.53 mmol) is added, and the mixture is stincd at °C over night. The mixture is diluted with water and Λ',Λ’-dimethylfonnamidc and purified by reversed phase HPLC (Wate7rs SunFire™-Ci8, gradient of acetonitrile in water, 0.1% TFA). Yield: 48 mg; ESI mass spectrum [M+H]+ = 562; Rétention time HPLC: 0.95 min (Z018_S04).
ίο EXAMPLE 35
4-(3-(Ethylsulfonyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydrolZ7-cyclopenta[d]pyrimidin-4-yl)benzonitrile
The title compound is prepared in analogy to methyl 4-(4-(4-cyanophenyl)-2,5-dioxo-l-(3i5 (trifluoromethyl)phenyl)-6,7-dihydro-l/f-cyclopenta[d]pyrimidin-3(2/7t4Z/,57ï)-ylsulfonyl)butanoate (example 34), substituting 4-(chlorosulfonyl)butanoate with ethanesulfonyl chloride. Yield: 11 mg; ESI mass spectrum [M+H]+ = 490; Rétention time HPLC: 0.94 min (Z018_S04).
-13717445
EXAMPLE 36
4-(l-(3-(Difluoromethyl)phenyI)-3-(methylsulfonyl)-2,5-dioxo-2,3,4,5,6,7-hexahydrol//-cyclopenta|d]pyriniidin-4-yl)benzonitrile
4-(l-(3-(Difluoromethyl)phenyl)-2,5-dioxo-2,3,4,5,6,7-hexahydro-l/7-cyclopenta[J]pyrimidin-4-yl)benzonitrile (example 11, 100 mg, 0.26 mmol) is added to a suspension of sodium hydride (60% in minerai oil, 30 mg, 0.74 mmol) in tetrahydrofuran (3.0 mL). After 10 min methanesulfonyl chloride (42 pL, 0.55 mmol) is added and the mixture is heated at 50 °C over night. The mixture is cooled at room température, diluted with water (0.5 mL) io and purified by reversed phase HPLC (Waters SunFire™-Cis, gradient of acetonitrile in water, 0.1% TFA). Yield: 74 mg; ESI mass spectrum [M+H]+ = 458; Rétention time HPLC: 0.76 min(005 CA0l).
EXAMPLE 37
-13817445
3-(Methyisulfonyl)-4-(3-(methylsulfonyl)-2,5-dïoxo-l-(3-(trifluoromethyl)phenyi)2,3î4,5,6,7-hexahydro-17/-cydopenta[d]pyrimidin-4-yl)benzonitrile
Sodium hydride (60% in minerai oil, 20 mg, 0.50 mmol) is added to a solution of (S)-4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l/7-cyclopenta[d]pyrimidin-4-yl)-3-(methyl sulfonyl)benzonitrile (example 10A, 100 mg, 0.18 mmol based on 85% purity) in tetrahydrofuran (4.0 mL), and the mixture ist stined at room température for 20 min. Methanesulfonyl chloride (29 pL, 0.38 mmol) is added and the mixture is stirred at room température for 2 h. Water is added and the mixture is extracted with dichloromethane. The phases are separated and the organic layer is concentrated under reduced pressure. The residue is purified by reversed phase HPLC (Waters Xbridge™-Ci8, gradient of acetonitrile in water, 0.1% TFA). Yield: 76 mg; ESI mass spectrum [M+H]+ = 554; Rétention time HPLC: 0.57 min (X012 SOI).
EXAMPLES 37.1 -37.4
The following examples of Table 14 are prepared in analogy to 3-(methylsulfonyl)-4-(3(methylsulfonyI)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l/7-cyclopenta[d]pyrimidin-4-yl)benzonitrile (example 37), using the appropriate starting material as indicated in the table.
TABLE 14 o f?1 O, ,0
-13917445
Example | Starting Material | R1 | MS [M+H]+ | Rétention time [min] | HPLCMethod |
37.1 | example 15.2 | ά 1 1 1 | 490 | 0.67 | X012S01 |
37.2 | example 15 | à 1 1 | 510 | 0.66 | X012S0I |
37.3 | example 10 | ! 0 0 | 554 | 0.57 | X012_S01 |
37.4 | example 14 | ! 0 b | 568 | 0.59 | X012_S01 |
EXAMPLES 38.1 -38.2
The following examples of Table 15 are prepared in analogy to 3-(methylsulfonyl)-4-(3(methylsulfonyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l/7-cyclopenta[d]pyrimidin-4-yl)benzonitrile (example 37), using the appropriate starting material as indicated în the table and replacing tetrahydrofuran with acetonitrile as solvent.
TABLE 15
-14017445
Example | Starting Material | R1 | MS [M+H]+ | Rétention time [mini | HPLCMethod |
38.1 | example 15.3 | δ 4 4 1 | 477 | 0.61 | X011_S03 |
38.2 | example 15.1 | et 1 1 | 506 | 0.65 | X012_S03 |
EXAMPLE 39
3-(Methy Isulfony 1)-4-(3-( methylsulfonyl)-2,5-diox o-l-(2-(trifluoromethyl)pyridin-4yl)-2,3,4,5,6,7-hexahydro-ljï-cycIopenta|d]pyrimidin-4-yl)benzonitrile s 4-(2,5-dioxo- l-(2-(trifluoromethyl)pyridin-4-yl)-2,3,4,5,6,7-hexahydro-l/f-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfonyI)benzonitrile (example 15.6, 150 mg, 0.32 mmol) is added to a suspension of sodium hydride (60% in minerai oil, 35 mg, 0.88 mmol) in tetrahydrofuran (8.0 mL). After 10 min methanesulfonyl chloride (49 pL, 0.63 mmol) is added and the mixture is heated at 50 °C for 1.5h. The mixture is cooled at room io température and treated with water (1 mL). The mixture is stirred at room température for min and purified by reversed phase HPLC (first purification: Waters SunFire™-Cj8, gradient of acetonitrile in water, 0.1% TFA; second purification: Waters Xbridge™-C[8, gradi- rfr
-14117445 ent of acetonitrile in water, 0.1% NH3). Yield: 20 mg; ESI mass spectrum [M+H]+ - 555;
Rétention time HPLC: 0.90 min (Z01 l_S03).
EXAMPLE 40
4-(4-Cyanoplienyl)-2.5-dioxo-l-(3-(trifluoromethyl)pherivl)-4,5,6,7-tetrahydro-l/L cyclopenta|d]pyriniidine-3(2/7)-carboxamide
A solution of 4-nitrophenyl 4-(4-cyanophenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-
4,5,6,7-tetrahydro-l//-cyclopenta[d]pyrimîdine-3(27/)-carboxylate (intermediate 4, 25 mg, pmol) in acetonitrile (1.0 mL) is treated with ammonium carbonate (9 mg, 90 pmol), ίο and the mixture is stirred at room température for 30 min and purified by reversed phase
HPLC (Waters SunFire™-Cls, gradient of acetonitrile în water, 0.1% TFA). Yield: 3 mg;
ESI mass spectrum [M+H]+ = 441 ; Rétention time HPLC: 0.65 min (X018_S01 ).
EXAMPLE 41
-14217445
4-(4-Cyanophenyl)-7V-(2-hydroxy-2-methylpropyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-l//-cyclopenta|d|pyrimidine-3(2//)-carboxamide
A solution of 4-nitrophenyl 4-(4-cyanophenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-
4,5,6,7-tetrahydro-lff-cyclopenta[d]pyrimidine-3(2/7)-carboxylate (intermediate 4, 250 mg, 0.44 mmol) in acetonitrile (5.0 mL) is treated with l-amino-2-methylpropan-2-ol (80 mg, 0.90 mmol), and the mixture is stirred at room température for l h and purified by reversed phase HPLC (Waters Xbridge™-C]8, gradient of acetonitrile in water, 0.1% NH3). Yield: 179 mg; ESI mass spectrum [M+H]+ = 513; Rétention time HPLC: 0.86 min (Z01 l_S03).
EXAMPLES 41A AND 41B: ENANTIOMERS OF EXAMPLE 41
The enantiomers of racemic 4-(4-cyanophenyl)-J/V-(2-hydroxy-2-methylpropyl)-2,5-dioxo1 -(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-1 //-cyclopcnta|d|pyrimidine-3(2H)carboxamide (example 41, 179 mg, 0.35 mmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chiralpak IA, 20 x 250 mm, 5 pm, 20% MeOH + 0.2% diethylamine în supercritical CO2, 40 °C, 150 bar back pressure).
EXAMPLE 41A
(7ï)-4-(4-Cyanophenyi)-7V-(2-hydroxy-2-methylpropyl)-2,5-dioxo-l-(3-(trifluoroniethy l)pheny 1)-4,5,6.7-tetr ahydro-1 77-cy clopen ta [d] py r imidine-3 (2//)-carboxamide Yield: 50 mg; ESI mass spectrum [M+H]+ = 513; Rétention time: 2.3 min (early eluting enantiomer) (I_IA_20_MeOH_DEA). j_/--14317445
EXAMPLE 41B
(5)-4-(4-Cyanophenyl)-Af-(2-hydroxy-2-methylpropyl)-2,5-dioxo-l-(3-(trifluoromethyl) phenyl)-4,5,6,7-tetr ahydr ο-1 H-cyclopenta [d ] pv r imidine-3(2//)-carboxaniide
Yield: 47 mg; ESI mass spectrum [M+H]+ = 513; Rétention time: 4.1 min (Iate eluting enantiomer) (I_IA_20_MeOH_DEA).
EXAMPLES 41.1 -41.31
The following examples ofTable 16 are prepared in analog to 4-(4-cyanophenyl)-/V-(2hydroxy-2-methylpropyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-l/7io cyclopenta[d]pyrimidine-3(27/)-carboxamide (example 41), using the appropriate amine as reagent.
TABLE 16
-14417445
Example | R3 | MS [Μ+Η]+ | Rétention time [min] | HPLCMethod |
41.1 | .ΑΝ^γ0Η | 499 | 0.52 | 002_CA07 |
41.2 | W | 499 | 0.52 | 002J3A07 |
41.3 | ,ΑνΛ^οη Η | 499 | 0.53 | 002_CA07 |
41.4 | ΑγθΗ Η | 499 | 0.53 | 002_CA07 |
41.5 | Λ^οη Η | 511 | 0.53 | 002_CA07 |
41.6 | ΐ. ο Η | 511 | 0.56 | 002_CA07 |
41.7 | Η | 511 | 0.89 | ZI 1S03 |
41.8 | Ύ | 511 | 0.86 | ZUS_03 |
41.9 | Η | 513 | 0.60 | 002_CA07 |
-14517445
41.ΙΟ | •''^ν^Α0Η Η | 513 | 0.54 | 002_CA07 |
41.11 | 522 | 0.55 | 002_CA07 | |
41.12 | 523 | 0.59 | 002 CA07 | |
41.13 | Vq | 525 | 0.90 | ZI 1S03 |
41.14 | Λ.0 Η | 525 | 0.59 | 002_CA07 |
41.15 | Η | 525 | 0.59 | 002_CA07 |
41.16 | χο Η | 525 | 0.57 | 002_CA07 |
41,17 | ,Λν^^οη Η | 527 | 0.88 | Z011S03 |
41.18 | Ν Η 1 | 527 | 0.62 | 002_CA07 |
41.19 | Âr-æ Η | 529 | 0.65 | 002_CA03 |
-14617445
41.20 | 0 Γΐ’ | 535 | 0.52 | 002 CA07 |
41.21 | rQ | 535 | 0.51 | 002_CA07 |
41.22 | 535 | 0.54 | 002_CA07 | |
41.23 | Vq | 539 | 0.58 | 002_CA07 |
41.24 | H0< H | 539 | 0.89 | 005_CA01 |
41.25 | .-'^•N'>rzxO h <u | 541 | 0.56 | 002_CA07 |
41.26 | ..v? H o- | 541 | 0.89 | Z011_S03 |
41.27 | î. £>° H | 559 | 0.89 | Z018_S04 |
41.28 | H | 561 | 0.54 | 002_CA07 |
41.29 | Â-O H | 573 | 0.85 | Z011_S03 |
-14717445
41.30 | H | 573 | 0.57 | 001CA07 |
41.31 | î V H 1 | 575 | 0.56 | 002 CA07 |
EXAMPLE 42
4-(4-Cy anopheny l)-2,5-dioxo-V-( 1,1-dioxo-1 k6-thietan-3-y I)- l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-l //-eyclopenta|d|pyrimidine-3(2/7)-carboxamide
AQV-Diisopropylethylamine (170 pL, 1.00 mmol), 4-dimethylaminopyridine (34 mg,
0.28 mmol) and 4-nitrophenyl chloroformate (56 mg, 0.28 mmol) is added to a solution of 4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l/f-cyclopenta[i/]pyrimidin-4-yl)benzonitrile (example 1, 100 mg, 0.25 mmol) in acetonitrile (2.0 mL), and the mixture is stirred at room température over night. l,l-Dioxo-lX6-thiethan-3-amîne io hydrochloride (59 mg, 0.38 mmol) is added, and the mixture is stirred for 1 h and purified by reversed phase HPLC (Waters SunFire™-Cig, gradient of acetonitrile in water, 0.1% TFA). Yield: 73 mg; ESI mass spectrum [M+H]+ = 545; Rétention time HPLC: 0.81 min (005_CA01).
-14817445
EXAMPLES 42.1 -42.8
The following examples of Table 17 are prepared in analogy to 4-(4-cyanophenyl)-2,5dioxo-7V-(I ,l-dioxo-lk6-thietan-3-yl)-1 -(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-li/cyclopenta[d]pyrimidine-3(2E/)-carboxamide (example 42), using the appropriate amine as reagent.
TABLE 17
Example | R3 | MS [M+H]+ | Rétention time [min] | HPLCMethod |
42.1 | H OH | 525 | 0.85 | 005 CA01 |
42.2 | HO H | 525 | 0.86 | 005 _CA01 |
42.3 | Λ-Q H OH | 525 | 0.86 | 005_CA01 |
42.4 | W H OH | 525 | 0.85 | 005_CA01 |
-14917445
42.5 | HO î ü> H | 527 | 0.53 | Z006_U01 |
42.6 | HO, t c° H | 527 | 0.98 | Z018_S04 |
42.7 | Â-0 H | 541 | 1.14 | Z018_S04 |
42.8 | Â-o H | 573 | 1.02 | Z018S04 |
EXAMPLE 43
4-(4-Cyanophenyl)-2,5-dioxO“jV-(l-oxo-hexahydro-lX4-thiopyran-4-yl)-l-(3-(trifluoromethyl)pheny 1)-4,5,6,7-tetrahyd ro-1 W-cyclopen ta [d | py rimidine-3 (2//)-car boxamide
A solution of 4-(4-cyanophenyl)-2,5-dioxo-7V-(tetrahydro-2H-thiopyran-4-yl)-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-l/7-cyclopenta[d]pyrimidine-3(2/7)-carboxamide (example 42.7, 94 mg, 0.18 mmol) in éthanol (1.0 mL) is cooled at -78 °C with an acetone/dry ice bath. Aqueous hydrogen peroxide (36%, 87 pL, 1.0 mmol) is added, and the mixture is stirred at at -78 °C for 30 min. Methyltrioxorhenium(VII) (1 mg, 4 pmol) is io added, and the mixture is stirred at -78 °C for 30 min. Another portion of methyltrioxo- λ/
-15017445 rhenîum(VII) (l mg, 4 pmol) is added, and the mixture is stirred at -78 °C for 1 h. Aqueous potassium hydrogen sulfate solution (10%, 0.5 mL) and water is (10 mL) is added, and the mixture is filtered. The precipitate is dissolved in N,7V-dimethyIformamide, and the mixture is purified by reversed phase HPLC (Waters SunFire™-Cj8, gradient of acetonitrile in water, 0.1% TFA). Yield: 40 mg; ESI mass spectrum [M+H]+ = 557; Rétention time HPLC: 0.96 min (Z018_S04).
EXAMPLE 44
4-(4-Cyanophenyl)-2,5-dioxo-7V-(l-imino-l-oxo-hexahydro-lk6-thiopyran-4-yl)-l-(3io (trifïiioromethyl)phenyl)-4,5,6,7-tetrahydro-l//-cycIopenta[d]pyrimidine-3(2J/)carboxamide
4-(4-Cyanophenyl)-2,5-dioxo-;V-(l -oxo-hexahydro-1 X4-thiopyran-4-yl)-l -(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-l/7-cyclopenta[d]pyrimidine-3(2Ff)-carboxamide (example 43, 40 mg, 72 pmol) is added to a solution of O-mesitylenesulfonylhydroxyl15 amine (66 mg, 0.31 mmol) in dichloromethane (1.0 mL), and the mixture is stirred at room température over night. Ail volatiles are removed under reduced pressure, and the residue is purified by reversed phase HPLC (Waters SunFire™-Ci8, gradient of acetonitrile in water, 0.1% TFA). Yield: 9 mg; ESI mass spectrum [M+H]+ = 572; Rétention time HPLC: 0.90 min (Z018_S04).
-15117445
EXAMPLES 45.1 -45.6
The following examples of Table 18 are prepared in analogy to 4-(4-cyanophcnyl)-.V-(2hydroxy-2-mcthylpropyl)-2,5-dioxo-l-(3-(trifluoromelhyl)phenyl)-4,5,6,7-tetrahydro-l//cyclopenta[d]pyrimidme-3(277)-carboxamide (example 41), using (7?)-4-nitrophcnyl 4-(4cyanophenyl)-2,5-dioxo-1 -(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-177-cyclopenta[d]pyrimidine-3(2H)-carboxylate (intermediate 30.1) as starting material and the appropriate amine as reagent.
TABLE 18
Ex ample | R3 | MS [M+H]+ | Rétention time [min] | HPLCMethod |
45.1 | 480 | 0.82 | 005_CA01 | |
45.2 | U H | 481 | 0.90 | 005_CA01 |
45.3 | î, . p H F | 505 | 0.88 | 005_CA01 |
-15217445
45.4 | Λ-Q H OH | 525 | 1.06 | Z018_S04 |
45.5 | HO H | 527 | 0.99 | Z0I8_S04 |
45.6 | ’ N H | 545 | 1.01 | Z018JS04 |
EXAMPLE 46
(7?)-4-(4-Cy anopheny l)-2,5-dioxo-V-( 1,1 clioxo- hexahy dro-1 /Athiopy ran-4-y 1)-1 -(3(tr ifluor omethv l)phenyl)-4,5,6,7-tetrahy dr ο-1 ff-cyclopenta|d] pyri midine-3 (2/7)5 carboxamide jV,jV-Diisopropyl ethyl amine (137 pL, 0.81 mmol), 4-dimethylaminopyridine (27 mg,
0.22 mmol) and 4-nitrophenyl chloroformate (45 mg, 0.22 mmol) is added to a solution of (7ï)-4-(2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta[i/]pyrimidin-4-yl)benzonitrile (example 1 A, 80 mg, 0.20 mmol) in acetonitrile (2.0 mL), and ίο the mixture is stirred at room température over night. l,l-Dioxotetrahydro-2/7-thiopyran-4amine (74 mg, 0.40 mmol) is added, and the mixture is stirred for I h and purified by reversed phase HPLC (Waters SunFire™-Cig, gradient of acetonitrile in water, 0.1% TFA).
Yield: 72 mg; ESI mass spectrum [M+H]+ = 573; Rétention time HPLC: 1.01 min (Z018_S04).
-15317445
EXAMPLES 47.1 -47.21
The following examples of Table 19 are prepared in analog to 4-(4-cyanophenyl)-7V-(2hydroxy-2-methylpropyl)-2,5-dioxo-1 -(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-l Hcyclopenta[d]pyrimidine-3(277)-carboxaimde (example 41.0), using (S)-4-nitrophenyl 4-(4-cyano-2-(methylsulfonyl)phenyl)-2,5-dioxo- l-(3-(trifluoromethyl)phenyl)-4,5,6,7tetrahydro-177-cyclopenta[d]pyrimidine-3(2f/)-carboxylate (intermediate 20.2) as starting material and the appropriate amine as reagent.
TABLE 19
Example | R3 | MS [M+H]+ | Rétention time [min] | HPLCMethod |
47.1 | A' H | 533 | 0.72 | 002_CA03 |
47.2 | A- H | 547 | 0.76 | 002_CA03 |
47.3 | H N | 558 | 1.00 | Z018_S04 |
-15417445
47.4 | t Λ H | 559 | 1.06 | Z018_S04 |
47.5 | U H | 561 | 0.67 | X012S01 |
47.6 | 572 | 1.05 | Z018_S04 | |
47.7 | Vv | 573 | 1.10 | Z018_S04 |
47.8 | t X/0 H | 575 | 0.99 | Z018_S04 |
47.9 | H | 577 | 1.03 | Z018_S04 |
47.10 | Λγ H F | 583 | 1.05 | Z018_S04 |
47.11 | 589 | 1.00 | Z018_S04 | |
47.12 | ,îNx> H | 589 | 1.02 | Z018_S04 |
-15517445
47.13 | -W | 591 | 1.00 | Z018_S04 |
47.14 | ΛΝΧχΟΗ H | 591 | 1.02 | Z018_S04 |
47.15 | AO H | 603 | 1.03 | Z018_S04 |
47.16 | 603 | 0.98 | Z018S04 | |
47.17 | W | 603 | 1.02 | Z018_S04 |
47.18 | Â-Q H OH | 603 | 1.03 | Z0I8S04 |
47.19 | Â-Q H OH | 603 | 1.02 | Z018_S04 |
47.20 | H | 605 | 1.01 | Z018_S04 |
47.21 | Â-0 H OH | 617 | 1.05 | Z018_S04 |
-15617445
EXAMPLES 48.1-48.4
The following examples of Table 20 are prepared in analog to 4-(4-cyanophenyl)-2,5dioxo-.V-( 1,1 -dioxo-1 /?-thietan-3-yl)-1 -(3-(trifluoromethyl)phenyl)-4,5,6,7-tctrahydro-1Hcyclopenta|d |pyrimidine-3(2/-/)-carboxamide (example 42), using (S)-4-nitrophenyl 4-(4cyano-2-(methylsulfonyl)phenyl)-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro- l/7-cyclopcnta[d]pyrimidine-3(277)-carboxylate (intermediate 30.2) as startîng material and the appropriate amine as reagent.
TABLE 20
Example | R3 | MS (Μ+ΗΓ | Rétention time [min] | HPLCMethod |
48.1 | H N | 584 | 1.09 | Z018_S04 |
48.2 | H | 585 | 1.15 | Z018_S04 |
48.3 | txrOH • n H | 589 | 0.97 | Z018_S04 |
-15717445
48.4 | ΧΎ’ΟΗ | 603 | 0.99 | Z0l8_S04 |
H |
EXAMPLE 49
4-(4-Cyano-2-fluorophenyl)-jV-methyl-2,5-dïoxo-l-(3-(trifluoromethyl)phenyI)-4,5,6,7tetrahydro-l//-cyclopentald]pyriinidine-3(2Z/)-carboxamide
4-Nitrophenyl chloroformate (23 mg, 0.11 mmol) is added to a solution of 4-(2,5-dioxo-l (3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-lZ7-cyclopenta[d]pyrimidin-4-yl)-3fluorobenzonitrile (example 18, 43 mg, 0.10 mmol), .V./V-diisopropylethylamine (70 pL, 0.41 mmol) and 4-dimethylaminopyridîne (14 mg, O.l l mmol) in acetonitrile (3.0 mL), and the mixture is stirred at room température over night. Another portion of 4-Nitrophenyl ίο chloroformate (50 mg, 0.24 mmol) and 4-dimethylaminopyridine (30 mg, 0.24 mmol) is added, and the mixture is stirred over night. Methylamine (2.0 M in tetrahydrofuran,
155 pL, 0.31 mmol) is added, and the mixture is stirred for 20 min at room température and purified by reversed phase HPLC (Waters SunFire™-Cig, gradient of acetonitrile in water, 0.1% TFA). Yield: 27 mg; ESI mass spectrum [M+HJ+ = 473; Rétention time HPLC: 0.59 is min (001CA07).
EXAMPLES 49A AND 49B: ENANTIOMERS OF EXAMPLE 49
-15817445
The enantiomers of racemic 4-(4-cyano-2-fluorophenyl)-Ar-methyl-2,5-dioxo-1 -(3(irifluoromethyl)phenyl)-4,516,7-tetrahydro-l//-cyclopenta[d]pyrimidine-3(2//)carboxamide (example 49, 24 mg, 0.05 mmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chiralpak IA,2 x 20 x 250 mm, 5 pm, 15% s MeOH + 0.2% diethylamine in supercritical CO2, 40 °C, 120 bar back pressure).
EXAMPLE 49A
(A)-4-(4-Cyano-2-fluorophenyl)-Ar-methyl-2,5-dîoxo-l-(3-(trifluoroniethyl)phenyl)4,5,6,7-tetrahydro-1 H-ey clopen ta [d] py rimidine-3 (2iZ)-carboxamide io Yield: 10 mg; ESI mass spectrum [M+H]+ = 473; Rétention time: 2.85 min (early eluting enantiomer) (I_IA_15_MeOH_DEA).
EXAMPLE 49B
-15917445 (JÎ)-4-(4-Cyano-2-fluorophenyl)-7V-methyl-2,5-dioxo-l-(3-(trifluoromethyl)phenyl)4,5,6,7-tetrahydro-lH-cyclopenta[d]pyrimidine-3(2/Z)-carboxamide
Yield: 10 mg; ESI mass spectrum [M+H]+ ~ 473; Rétention time: 3.72 min (late eluting enantiomer) (I_IA_15_MeOH_DEA).
EXAMPLES 49.1 -49.3
The following examples of Table 21 are prepared in analogy 4-(4-cyano-2-fluorophenyl)A'-mcthyl-2:5-dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-l/7-cyclopcnta[d|pyrimidine-3(2//)-carboxamidc (example 49), substitutîng methylamine with the appropriate amine as reagent.
TABLE 21
Example | R3 | MS [M+H]+ | Rétention time [min] | HPLCMethod |
49.1 | A- H | 487 | 0.80 | 002_CA03 |
49.2 | H | 517 | 1.06 | Z018_S04 |
49.3 | A~£ H | 565 | 0.71 | 002 C.A03 |
-16017445
EXAMPLES 50.1 -50.7
The following examples of Table 22 are prepared in analogy to 4-(4-cyano-2-fluorophenyl)-A-mcthyl-2,5-dioxo-1 -(3-(trifluoromethyl)phenyI)-4,5,6,7-tetrahydro-17/-cyclopenta[d]pyrimidine-3(2Z/)-carboxamîde (example 49), using the appropriate starting material as indicated in the table.
TABLE 22
Example | Starting Material | R1 | MS [M+H]+ | Rétention time [min] | HPLCMethod |
50.1 | example 15.3 | δ 1 1 | 456 | 0.61 | X011_S03 |
50.2 | example 15.2 | à 1 1 t | 469 | 0.87 | 005_CA01 |
50.3 | example 15.1 | \ o δ-{5~ | 485 | 0.71 | X012S01 |
50.4 | example 15 | à 1 1 | 489 | 0.76 | X012_S01 |
-16117445
50.5 | example 17 | êç o | 517 | 0.97 | Z017_S04 |
50.6 | example 13 | • • | 533,535 | 0.64 | X0I2S01 |
50.7 | example 14 | ! 0 O | 547 | 0.69 | X012_S01 |
EXAMPLES 5l.l -5l.4
The following Examples of Table 23 are prepared in analogy to 4-(4-cyano-2-fluorophenyl)-Ar-methyl-2,5-dioxo-l-(3-(trifluoromethyl)phenyI)-4,5,6,7-tetrahydro-lf/-cyclopenta[d]pyrimidine-3(2//)-carboxamide (example 49), using the appropriate starting material as indicated in the table and the appropriate amine as reagent.
TABLE 23
Example | Starting Material | R1 | MS [μ+ηΓ | Rétention time | HPLCMethod |
51.1 | example 15.1 | • • | 485 | 0.71 | X012_S01 |
-16217445
51.2 | example 15 | à 1 « | 503 | 0.68 | X012_S01 |
51.3 | example 14 | ! 0 0 | 561 | 0.65 | X012S01 |
51.4 | example 17 | g 1 0 | 531 | 1.04 | Z018_S04 |
EXAMPLE 52
4-(4-CyanophenyI)-l-(3-(difluoromethyl)phenyl)-j'V-(3-hydroxypropyI)-2,5-dioxo4,5,6,7-tetrahydro-l/7-cyclopenta|d]pyrimidine-3(2/7)-carboxamide
The title compound is prepared in analogy to 4-(4-cyano-2-fluorophenyl)-7V-methyl-2,5dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-l//-cyclopenta[d]pyrimidine-3(2f/)· carboxamide (example 49), using 4-(I-(3-(difluoromethyl)phenyl)-2,5-dioxo-2,3,4,5,6,7hexahydro-l/f-cyclopenta[if]pyrimidin-4-yl)benzonitrile (example 11, 100 mg, 0.26 mmol) as starting material and replacing methylamine with 3-aminopropanol. Yield: 70 mg; ESI ίο mass spectrum [M+H]+ = 481; Rétention time HPLC: 0.71 min (005_CA01).
-16317445
EXAMPLES 52A AND 52B: ENANTIOMERS OF EXAMPLE 52
The enantiomers of racemic 4-(4-cyanophenyl)-l-(3-(difluoromethyl)phenyl)-;V-(3hydroxypropyl)-2,5-dioxo-4.5,6,7-tetrahydro-l//-cyclopcnta[d|pyrimidine-3(2H)carboxamide (example 52, 67 mg, 0.14 mmol) are separated by préparative supercritical fluid chromatography on a chiral phase (Daicel Chiralpak IB, 20 x 250 mm, 5 pm. 50%
MeOH + 0.2% diethylamine in supercritical CO2, 40 °C, 120 bar back pressure).
EXAMPLE 52A
(J!)-4-(4-Cyanophenyl)-l-(3-(difluoromethyl)phenyl)-7V-(3-hydroxypropyl)-2,5-dioxoîo 4,5,6,7-tetrahydiO-l//-cyclopenta[d|pyrimidinc-3(2//)-carboxamide
Yield: 29 mg; ESI mass spectrum [M+H]+ = 481; Rétention time: 1.28 min (early eluting enantiomer) (I_IB_40_MeOH_DEA).
-16417445
EXAMPLE 52B
(.ST)-4-(4-Cyanophenyl)-l-(3-(difluoroniethyl)phenyl)-,V-(3-hydroxypropyl)-2,5-dioxo4,5,6,7-tetr ahydro-1 //-cyclopen ta | d ] py rimidine-3(2/7)-carboxamide
Yield: 28 mg; ESI mass spectrum [M+H]+ = 481; Rétention time: 4.31 min (late eluting enantiomer) (I_IB_40_MeOH_DEA).
EXAMPLES 52.1 -52.5
The following examples of Table 24 are prepared in analogy to 4-(4-cyanophenyl)-l-(3(difluoromethyl)phenyl)-X-(3-hydroxypropyl)-2,5-dioxo-4,5,6,7-tetrahydro-lff-cycloio penta[d]pyrimidine-3(2f/)-carboxamide (example 52), replacing 3-aminopropanol with the appropriate amine as reagent.
TABLE 24
-16517445
Example | R3 | MS [M+H]+ | Rétention time (min) | HPLCMetliod |
52.1 | Âr H | 437 | 0.97 | Z017_S04 |
52.2 | A- H | 451 | 0.73 | 002_CA03 |
52.3 | ,An^OH H | 467 | 0.63 | 002_CA03 |
52.4 | H | 481 | 0.71 | 002_CA03 |
52.5 | Λ'χ™ | 495 | 0.79 | 005_CA01 |
EXAMPLES 53.1-53.5
The following examples of Table 25 are prepared in analogy to 4-(4-cyano-2-fluorophenyi)-;V-mcth yl-2,5-dioxo-l-(3-(trifluoromethyl)phen yl )-4,5,6,7-tctrahydro-lH-cyclopenta[d]pyrimidine-3(2i/)-carboxamide (example 49), using 4-(l-(3-(difluoromethyl)phenyl)-2,5-dioxo-2,3,4,5,6,7-hexahydro-lf/-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfonyl)benzonitrile (example 15.4) as starting material and employing the appropriate amine as reagent, jlz-16617445
TABLE 25
Example | R3 | MS [μ+ηΓ | Rétention time [min] | HPLCMcthod |
53.1 | -V H | 515 | 0.97 | Z018_S04 |
53.2 | H | 529 | 0.69 | 002_CA03 |
53.3 | U H | 541 | 1.01 | Z018_S04 |
53.4 | TA H | 543 | 0.73 | 002_CA03 |
53.5 | Va | 573 | 0.95 | Z018_S04 |
EXAMPLES 54.1 —54.4
The following examples of Table 26 are prepared in analogy to 4-(4-cyanophenyl)s A-(2-hydroxy-2-methylpropyl)-2,5-dioxo-l -(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro17/-cyclopenta[d]pyrimidine-3(2f/)-cai'boxamide (example 41), using 4-nitrophenyl
-16717445
4-(4-cyanophenyl)-2,5-dioxo-l-(2-(trifluoromethyl)pyridin-4-yl )-4,5,6,7-tetrahydro-lifcyclopenta[d]pyrimidine-3(2/f)-carboxylate (intermediate 30.3) as starting material and employing the appropriate amine as reagent.
TABLE 26
Example | R3 | MS [M+H]+ | Rétention time [min] | HPLCMethod |
54.1 | f,' H | 456 | 1.00 | Z018_S04 |
54.2 | -V H | 470 | 1.04 | Z018_S04 |
54.3 | H | 482 | 1.05 | Z018_S04 |
54.4 | TA H | 484 | 1.09 | Z018_S04 |
-16817445
EXAMPLE 55
4-(4-Cyanophenyl)-7V-(2-hydroxy-2-methylpropyl)-2,5-dÎoxo-l-(2-(trifluoroniethyl)pyridin-4-yl)-4,5,6,7-tetrahydro-lZZ-cycLopenta[d]pyrimidine-3(2ZZ)-carboxamide
The title compound is prepared in analogy to 4-(4-cyano-2-fluorophenyl)-7V-methyl-2,5dioxo-l-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-liZ-cyclopenta[d]pyrimidine-3(2/7)carboxamide (example 49), using 4-nitrophenyl 4-(4-cyanophenyl)-2,5-dioxo-l-(2-(trifluoromethyl)pyridin-4-yl)-4,5,6,7-tetrahydro-lL/'-cyclopenta[d]pyrimidine-3(2/7)carboxylate (intermediate 30.3, 100 mg, 0.25 mmol) as starting material and employing ίο 1 -amino-2-methylpropan-2-ol as reagent. Yield: 60 mg; ESI mass spectrum [M+H]+ = 514;
Rétention time HPLC: 0.97 min (Z018_S04).
EXAMPLES 56.1 -56.2
The following examples of Table 27 are prepared in analogy to 4-(4-cyano-2-fluorophenyl)-7V-methyl-2,5 -dioxo-1 -(3 -(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-1 //-cyclo15 penta[d]pyrimidine-3(2LO-carboxamide (example 49), using 4-(2,5-dioxo-l-(2-(trifluoromethyI)pyridin-4-yl)-2}3,4,5,6,7-hexahydro-l/7-cyclopenta[d]pyrimidin-4-yl)-3-(methylsulfonyl)benzonitrile (example 15.6) as starting material and employing the appropriate amine as reagent. w~-16917445
TABLE 27
Example | R3 | MS ΙΜ+ΗΓ | Rétention time [min] | HPLCMethod |
56.1 | -V H | 534 | 0.96 | Z018_S04 |
56.2 | -AH | 548 | 1.00 | Z018_S04 |
EXAMPLE 57
4-(3-( IVlethylsulfonyl)-2,5-dioxo-1 - (2 - (tr iiliioroniethy l)py r idin-4-yl)-2,3,4,5,6,7-hexahydro-l//-cyclopenta|d]pyriniidin-4-yl)benzonitrile
The title compound îs prepared in analogy to 3-(methylsulfonyl)-4-(3-(methylsulfonyl)-2,5dioxo-l'(2-(trifluoromethyl)pyridin-4-yl)-2)3,4,5,6,7-hexahydro-l//-cyclopenta[d]pyrimidin-4-yl)benzonitrile (example 39), using 4-(2,5-dioxo-I-(2-(trifluoromethyl)pyridin
-17017445
4-yl)-2,3,4,5,6,7-hexahydro-lf/-cyclopenta[d]pyrimidin-4-yl)benzonitriIe (example 15.5, 60 mg, 0.15 mmol) as starting material. Yield: 30 mg; ESI mass spectrum [M+H]+ = 477; Rétention time HPLC: 0.99 min (Z018 S04).
EXAMPLES
Other features and advantages of the présent invention will become apparent from the following more detailed examples which illustrate, by way of example, the principles of the invention.
HUMAN NEUTROPHIL ELASTASE ASSAY
Materials: Human neutrophil elastase was purchased from Calbiochem (Cat. No.: 324681) and the elastase substrate MeOSuc-Ala-Ala-Pro-Val-AMC from Bachem (Cat. No.: 1-1270). Ail other materials were of the highest grade commercially available.
The following buffers were used: Compound buffer: lOOmM Tris, 500mM NaCl, adjusted to pH 7.5; Assay buffer; lOOmM Tris, 500mM NaCl, adjusted to pH 7.5, containing 0.01%BSA.
Assay conditions: Test compounds were prediluted in DMSO and subsequently in compound buffer (5% DMSO final). 5 pL of these compound dilutions were mixed with 10 pl Neutrophil elastase (9 ng/ml in assay buffer) in a black 384 well OptiPlate (Perkîn Elmer, Cat No.: 6007270) and incubated for 15 min at room température. Subsequently 10 pL substrate solution în assay buffer were added (250 pM final concentration) and the plates were incubated for 60 min at room température. After inactivation of the enzyme, fluorescence intensifies were measured at 380 nm excitation and 460 nm émission wavelengths.
Each plate contains wells with a high value control (DMSO+enzyme+substrate) and wells with a low value control (DMSO+inactivated enzyme+substrate). IC50 values were estimated using a sîgmoidal concentration response curve with variable slope. Means of low values were taken as 0%, means of high values as 100%. The IC50 values of selected compound in the Neutrophil Elastase assay are listed in Table 28.
-17117445
TABLE 28
Example | IC50 |nM] |
1 | 33.3 |
IA | 11.5 |
IB | 8040 |
2 | 6.4 |
2A | 2.4 |
3 | 17.0 |
4 | 10.9 |
5 | 11.2 |
6 | 3.0 |
6.1 | 15.7 |
6.2 | 5.8 |
6.3 | 3.7 |
6.4 | 10.9 |
6.5 | 1.1 |
6.6 | 2.2 |
6.7 | 13.8 |
6.8 | 15.8 |
6.9 | 3.5 |
6,10 | 3.8 |
6.11 | 3.9 |
6.12 | 3.8 |
6.13 | 3.6 |
6.14 | 6.0 |
6.15 | 3.3 |
6.16 | 11.6 |
6.17 | 6.3 |
Example | ICgo [nM] |
6.18 | 18.7 |
6.19 | 2.7 |
6.20 | 9.1 |
6.21 | 3.4 |
6.22 | 11.8 |
6.23 | 15.7 |
6.24 | 9.5 |
6.25 | 6.0 |
6.26 | 10.0 |
6.27 | 18.6 |
6.28 | 23.1 |
6.29 | 22.6 |
6.30 | 3.4 |
6.31 | 21.2 |
6.32 | 9.7 |
6.33 | 6.5 |
6.34 | 17.3 |
6.35 | 17.0 |
6.36 | 13.3 |
6.37 | 3.9 |
6.38 | 1.7 |
6.39 | 20.7 |
6.40 | 6.8 |
6.41 | 8.3 |
6.42 | 8.7 |
6.43 | 2.9 |
-17217445
6.44 | 9.7 |
6.45 | 14.3 |
6.46 | 2.9 |
7 | 123.7 |
7.1 | < 1 |
7.1A | < 1 |
7.1B | 621.5 |
7.2 | < 1 |
7.2A | < 1 |
7.2B | 550.0 |
7.3 | < 1 |
7.4 | < 1 |
7.5 | 1.4 |
7.6 | < 1 |
7.7 | 1.2 |
7.8 | < 1 |
7.9 | < 1 |
7.10 | < 1 |
7.11 | < 1 |
8 | 4.0 |
9 | 5.1 |
9A | 3.0 |
9B | 3180 |
10 | 5.8 |
10A | 2.6 |
10B | 98.4 |
11 | 37.4 |
12 | 201.0 |
13 | 17.9 |
14 | 4.7 |
14A | 1.2 |
14B | 33 |
15 | 30.1 |
15.1 | 42.1 |
15.2 | 28.6 |
15.3 | 106.3 |
15.3A | 31.5 |
I5.3B | 1720 |
15.4 | 9.7 |
15.4A | 2.9 |
15.4B | 57.7 |
15.5 | 109.5 |
15.6 | 43.6 |
15.7 | 66.0 |
16 | 14.9 |
17A | 8.1 |
17B | 9.4 |
18 | 44.2 |
19 | 1.3 |
20 | 9.1 |
21 | < 1 |
22 | 25.6 |
22.1 | 1.1 |
22.2 | < 1 |
22.3 | < 1 |
22.4 | < 1 |
-17317445
22.5 | 1.0 |
22.6 | 1.2 |
22.7 | < 1 |
22.8 | < 1 |
22.9 | 2.0 |
23 | 3.4 |
24 | 1.6 |
24.1 | < 1 |
24.2 | 1.1 |
24.3 | 2.7 |
24.4 | 1.0 |
24.5 | 1.7 |
24.6 | < 1 |
25 | < 1 |
26 | 9.4 |
26A | 2.4 |
26B | 3410 |
26.1 | 26.8 |
26.2 | 6.4 |
26.3 | 9.5 |
26.4 | 26.2 |
27 | 1.9 |
27.1 | 4.6 |
27.2 | 7.1 |
27.3 | 1.2 |
28 | 36.7 |
29 | 4.2 |
30A | 1.3 |
30B | 2.0 |
31 | 4.2 |
31.1 | 2.6 |
31.2 | 6.7 |
31.3 | 2.6 |
32.1 | < 1 |
32.2 | < 1 |
32.3 | < 1 |
32.4 | 14.7 |
33 | < 1 |
34 | 3.2 |
35 | 2.7 |
36 | 7.2 |
37 | < 1 |
37.1 | 3.7 |
37.2 | 9.3 |
37.3 | 1.9 |
37.4 | 1.7 |
38.1 | 37.7 |
38.2 | 34.1 |
39 | 7.0 |
40 | 2.2 |
41 | 1.4 |
41A | < 1 |
41B | 40.4 |
41.1 | < 1 |
41.2 | 1.0 |
41.3 | < 1 |
-17417445
41.4 | < 1 |
41.5 | < 1 |
41.6 | < 1 |
41.7 | < 1 |
41.8 | 1.4 |
41.9 | < 1 |
41.10 | < 1 |
41,11 | 1.1 |
41.12 | 89.5 |
41.13 | < 1 |
41.14 | < 1 |
41.15 | < 1 |
41.16 | < 1 |
41.17 | < 1 |
41.18 | 1.1 |
41.19 | < 1 |
41.20 | 1.7 |
41.21 | 1.5 |
41.22 | < 1 |
41.23 | < 1 |
41.24 | < 1 |
41.25 | 1.5 |
41.26 | < 1 |
41.27 | < 1 |
41.28 | < 1 |
41.29 | < 1 |
41.30 | < 1 |
41.31 | < 1 |
42 | < 1 |
42.1 | < 1 |
42.2 | 2.9 |
42.3 | < 1 |
42.4 | < 1 |
42.5 | < 1 |
42.6 | < 1 |
42.7 | < 1 |
42.8 | < 1 |
43 | < 1 |
44 | < 1 |
45.1 | < 1 |
45.2 | < 1 |
45.3 | < 1 |
45.4 | < 1 |
45.5 | < 1 |
45.6 | < 1 |
46 | < 1 |
47.1 | < 1 |
47.2 | < 1 |
47.3 | < 1 |
47.4 | < 1 |
47.5 | < 1 |
47.6 | < 1 |
47.7 | < 1 |
47.8 | < 1 |
47.9 | < 1 |
47.10 | < 1 |
-I7517445
47. II | < 1 |
47.12 | < 1 |
47.13 | < 1 |
47.14 | < 1 |
47.15 | < 1 |
43.16 | < 1 |
47.17 | < 1 |
47.18 | < 1 |
47.19 | < 1 |
47.20 | < 1 |
47.21 | < 1 |
48.1 | < 1 |
48.2 | < 1 |
48.3 | < 1 |
48.4 | < 1 |
49 | 1.8 |
49A | < 1 |
49B | 173.3 |
49.1 | 1.2 |
49.2 | 1.3 |
49.3 | 1.0 |
50.1 | 4.0 |
50.2 | < 1 |
50.3 | 1.7 |
50.4 | 1.2 |
50.5 | < 1 |
50.6 | 1.2 |
50.7 | < 1 |
51.1 | 1.0 |
51.2 | < 1 |
51.3 | < 1 |
51.4 | < 1 |
52 | < 1 |
52A | < 1 |
52B | 618.6 |
52.1 | 1.1 |
52.2 | < 1 |
52.3 | < 1 |
52.4 | < 1 |
52.5 | < 1 |
53.1 | < 1 |
53.2 | < 1 |
53.3 | < 1 |
53.4 | < 1 |
53.5 | < 1 |
54.1 | 4.9 |
54.2 | 3.3 |
54.3 | 1.5 |
54.4 | 2.4 |
55 | 6.1 |
56.1 | < 1 |
56.2 | < 1 |
57 | 34.9 |
Ttz
-17617445
ASSAY FOR THE DETERMINATION OF NEUTROPHIL ELASTASE INHIBITORY ACTIVITY IN HUMAN PLASMA
Citrated blood from human healthy donors is mixed with zymosan suspension and incubated at room température. This leads to the stimulation of neutrophils and the release of neutrophil elastase into the plasma. The stimulated blood is centrifuged to generate the neutrophîl elastase enriched plasma.
Préparation of zymosan working solution:
Zymosan (l 00 mg) is mixed with saline (0.9%, 10 mL) and stored at 4 °C for up to one week (note: zymosan does not dissolve in the saline and is used as a suspension).
Whole blood stimulation:
• A single 45 ml blood sample is taken into a 50 ml tube containing citrate (3.13%, mL) and the tube is gently inverted 4 times.
• Immediately after blood sampling, zymosan working solution (5 mL) is added.
• After the addition of zymosan working solution, the tubes are capped, mixed gently and incubated at 22 °C for 15 min on a shaker at 20 rpm.
• Make 10 ml aliquots after the incubation time.
• Centrifuge the 15 ml tubes at 800g for 15 min at 4°C in a Jouan centrifuge.
• Harvest the plasma and make 1-5 ml aliquots.
• Store the plasma at -80 °C.
Various concentrations of the neutrophil elastase inhibitor are incubated with plasma. Subsequently, the enzyme activity is measured using the fluorogenic substrate MeOSucAla-Ala-Pro-Val-AMC (Bachem Cat. No. 1-1270, substrate concentration: 250 μΜ, pH 7.5, 25 inM TRIS buffer, 250 mM NaCl) in analogous fashion as described for the human neutrophil assay. A dose response curve is generated to calculate the EC50 of the inhibitor. The analysis of the data is performed by the calculation of the percentage of fluorescence in the presence of the test compound compared to the fluorescence of the vehicle control after subtractîng the background fluorescence: An inhibitor of the neutrophil elastase enzyme >/>
-17717445 will give values between 100 %control (no inhibition) and 0 %control (complété inhibition). The human plasma shîft of selected compounds can be calculated using the following équation:
Human plasma shift = (ECsq in human plasma assay) / (IC50 in human neutrophil elastase assay)
The EC50 values of selected compounds în the human plasma assay described above are listed in Table 29.
TABLE 29
Example | ECso [μΜ] |
IA | 0.022 |
6.2 | 0.004 |
6.3 | 0.004 |
7.3 | 0.002 |
7.5 | 0.001 |
7.6 | 0.001 |
7.9 | 0.001 |
35 | 0.007 |
9A | 0.002 |
7.2A | 0.001 |
31 | 0.014 |
52.1 | < 0.001 |
52.3 | <0.001 |
41.17 | 0.006 |
41.1 | 0.001 |
41.5 | 0.002 |
41.1 | 0.003 |
Example | ECS0 [μΜ] |
41.16 | 0.002 |
52.2 | 0.001 |
41.4 | 0.002 |
10A | 0.001 |
25 | 0.001 |
47.2 | <0.001 |
7.1A | 0.002 |
47.1 | <0.001 |
49.3 | 0.007 |
41A | < 0.001 |
46 | 0.001 |
52A | < 0.001 |
42.3 | 0.005 |
42.4 | 0.012 |
42.6 | 0.001 |
37.2 | 0.017 |
47.5 | 0.001 |
-17817445
47.4 | <0.001 |
50.3 | 0.013 |
22 | 0.023 |
45.4 | 0.002 |
26.1 | 0.013 |
50.1 | 0.016 |
23 | < 0.001 |
53.3 | < 0.001 |
53.4 | <0.001 |
45.5 | <0.001 |
33 | < 0.001 |
54.2 | < 0.001 |
52.5 | 0.001 |
29 | 0.001 |
49A | 0.004 |
24.1 | 0.002 |
14A | 0.001 |
24 | 0.002 |
30B | 0.002 |
30A | 0.001 |
15.4 A | 0.002 |
26A | 0.002 |
19 | 0.002 |
21 | 0.001 |
55 | 0.003 |
2A | 0.003 |
22.4 | < 0.001 |
example 8A disclosed in WO 2005/0828683 | 0.079 |
Compared to the acyclic methyl ketone dérivative (example 8A disclosed in
WO 2005/0828683), the cyclic ketone example l A exhibits a significantly lower EC5o value, i.e, signifïcantly improved potency, in the human plasma assay described above.
Furthermore, example IA exhibts a human plasma shift of less than 2 which is signifïcantly lower than the human plasma shift for example 8A in WO 2005/0828683 and îs lîkely attributable to reduced binding to human plasma proteins. This observation is surprising, since example IA differs from example 8A in WO 2005/0828683 by only a single carboncarbon bond.
i0 ASSAY FOR THE DETERMINATION OF METABOLIC STABILITY WITH HUMAN LIVER MICROSOMES
The metabolic dégradation of the test compound is assayed at 37 °C with pooled human liver microsomes. The final incubation volume of 100 μΐ per time point contains TRIS
-17917445 buffer pH 7.6 (0.1 M), magnésium chloride (5 mM), microsomal protein ( l mg/ml) and the test compound at a final concentration of l μΜ. Following a short preincubation period at 37 °C, the reactions are initiated by addition of beta-nicotinamide adenine dinucleotide phosphate, reduced form (NADPH, 1 mM) and terminated by transfering an aliquot into acetonitrile after different time points. Additionally, the NADPH-independent dégradation is monitored in incubations without NADPH, terminated at the last time point. The [%] remaining test compound after NADPH independent incubation is reflected by the parameter c(control) (metabolic stability). The quenched incubations are pelleted by centrifugation ( 10’000 g, 5 min). An aliquot of the supernatant is assayed by LC-MS/MS for the amount of parent compound.
The half-life (tia INVITRO) is determîned by the slope of the semilogarithmîc plot of the concentration-time profile. The intrinsic clearance (CL_INTRINSIC) is calculated by considering the amount of protein in the incubation:
CL_INTRINSIC [μΐ/min/mg protein] = (ln 2 / (half-life [min] * protein content [mg/ml])) *1’000.
The half-life (ti/z INVITRO) values of selected compounds in the metabolic stability assay described above are listed in Table 30.
TABLE 30
Example | tJ/2 INVITRO [min] |
IA | >130 |
6.3 | >130 |
7.3 | >130 |
7.6 | >130 |
35 | >130 |
9A | >130 |
7.2A | >130 |
31 | >130 |
52.1 | >130 |
Example | ti/z INVITRO [min] |
52.3 | >130 |
41.17 | >130 |
41.1 | >130 |
41.1 | >130 |
41.16 | >130 |
52.2 | >130 |
41.4 | >130 |
itr'
-18017445
10A | >130 |
25 | >130 |
47.2 | >130 |
7.1A | >130 |
47.1 | >130 |
49.3 | >130 |
41A | >130 |
46 | >130 |
52A | >130 |
22.4 | >130 |
42.3 | >130 |
42.4 | >130 |
14 | >130 |
47.5 | >130 |
37.4 | >130 |
47.4 | >130 |
50.3 | >130 |
22 | >130 |
45.4 | >130 |
26.1 | >130 |
23 | >130 |
15.4 | >130 |
53.3 | >130 |
53.4 | >130 |
45.5 | >130 |
33 | >130 |
15.6 | >130 |
54.2 | >130 |
52.5 | >130 |
29 | >130 |
49A | >130 |
24.1 | 100 |
14A | >130 |
24 | >130 |
30B | >130 |
30A | >130 |
15.4A | >130 |
26A | >130 |
19 | >130 |
21 | >130 |
55 | >130 |
example 8A disclosed in WO 2005/0828683 | 74 |
Compared to the acyclic methyl ketone derivative (example 8A disclosed in
WO 2005/0828683), the cyclic ketone example IA exhibits improved half life, i.e. improved stability, in the metabolic stability assay described above. This observation is 5 surprising, since example IA differs from example 8A in WO 2005/0828683 by only a single carbon-carbon bond.
-18117445
ASSAY FOR THE DETERMINATION OF METABOLIC STABILITY WITH HUMAN HEPATOCYTES
The metabolic dégradation of the test compound is assayed in a human hépatocyte suspension. Human hépatocytes (typically cryopreserved) are incubated în an appropriate buffer system (e.g. Dulbecœ's modified eagle medium plus 3.5 pg glucagon / 500 mL, 2.5 mg însulin / 500 mL and 3.75 mg / 500 mL hydrocortison) containing 5% species sérum. Following a (typically) 30 min preincubation in an incubator (37 °C, 10% CO2), 5 pl of test compound solution (80 pM; from 2 mM stock solution in DMSO diluted l :25 with medium) are added into 395 pl hépatocyte suspension (cell density in the range 0.25-5*106 cells/mL, typically l*106 cells/mL; final concentration of test compound lpM, final DMSO concentration 0.05%). The cells are incubated for six hours (incubator, orbital shaker) and samples (25 pl) are taken at 0, 0.5, 1, 2,4 and 6 hours. Samples are transferred into acetonitrile and pelleted by centrifugation (5 min). The supematant is transferred to a new 96-deepwell plate, evaporated under nitrogen and resuspended. The décliné of parent compound is analyzed by LC-MS/MS.
The întrinsic clearance CL_INTRINSIC is calculated as follows:
CLINTRINSIC = Dose / AUC = (Cq/CD) / (AUD + c(ast/k) * 1Ό00/60 (Co: initial concentration in the incubation [μΜ], CD: cell density of vital cells [106 cells/mL], AUD: area under the data [pM * h], C]ast: concentration of last data point [pM], k: slope of the régression line for parent décliné [h1])
The calculated în vitro hepatic intrinsic clearance can be sealed up to the intrinsic in vivo hepatic clearance and used to predict hepatic in vivo blood clearance (CL) by the use of a liver model (well stirred model):
CL_INTRINSIC_INVIVO [ml/min/kg] = (CLJNTRINSIC [pL/min/106 cells] * hepatocellularity [106 cells/g liver] * liver factor [g/kgbodyweight]) / 1’000
-18217445
CL [ml/min/kg] = CL_INTRINSIC_INVIVO [ml/min/kg] * hepatic blood flow [ml/min/kg] / (CL_INTRINSIC_ IN VIVO [ml/min/kg] + hepatic blood flow [ml/min/kg]) 5 Qh [%] = CL [ml/min/kg] / hepatic blood flow [ml/min/kg]) (Hepatocellularity, human: 120*106 cells / g liver; Iver factor, human: 25.7 g / kg bodyweight; blood flow, human: 21 ml/(min * kg)) ίο The predicted human hepatic in vivo blood clearance (CL) of selected compounds in the metabolic stability assay described above is listed in Table 31.
TABLE 31
Example | CL [ml/min/kg] |
IA | 6 |
6.2 | 6 |
6.3 | 4 |
7.3 | 7 |
9A | 0 |
7.2A | 0 |
41.17 | 3 |
41.1 | 2 |
52.2 | 3 |
41.4 | 5 |
10A | 0 |
25 | 2 |
47.2 | 1 |
7.1A | 3 |
Example | CL [ml/min/kg] |
Example | CL [ml/min/kg] |
47.1 | 0 |
49.3 | 0 |
41A | 0 |
52A | 8 |
42.4 | 0 |
42.6 | 5 |
14 | 4 |
50.1 | 1 |
23 | 0 |
15.4 | 0 |
53.3 | 0 |
53.4 | 0 |
45.5 | 0 |
example 8A disclosed in WO 2005/0828683 | 10 |
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Compared to the acyclic methyl ketone dérivative (example 8A disclosed în WO 2005/0828683), the cyclic ketone example l A exhibits reduced clearance, i.e. improved stability, in the metabolic stability assay described above. This observation is surprising, since example IA differs from example 8A in WO 2005/0828683 by only a single carbon-carbon bond.
ASSAY FOR DETERMINATION OF DRUG TRANSPORT ACROSS HUMAN CACO-2 CELLS
The assay provides information on the potential of a compound to pass the cell membrane, on the extent of oral absorption as well as on whether the compound is actively transported by uptake and/or efflux transporters. For the measurement of permeability across polarized, confluent human cancer colon carcinoma cells 2 (Caco-2) cell monolayers grown on permeable filter supports are used as the in vitro absorption model.
Apparent permeability coefficients (PE) of the compounds across the Caco-2 monolayers are measured (pH 7.2, 37 °C) in apical-to-basal (AB) (absorptive) and basal-to-apical (BA) (secretory) transport direction. AB permeability (PEAB) represents drug absorption from the intestine into the blood and BA permeability (PEBA) drug sécrétion from the blood back into the intestine via both passive permeability as well as active transport mechanisms mediated by efflux and uptake transporters that are expressed on the Caco-2 cells. The compounds are assigned to permeability/absorptîon classes by comparison ofthe AB permeabilities with the AB permeabilities of reference compounds with known in vitro permeability and oral absorption in the human. Identical or similar permeabilities in both transport directions indicate passive perméation, vectorial permeability points to additional active transport mechanisms. Higher PEBA than PEAB suggests the involvement of an apical efflux transporter (like P-gp) and/or basolateral uptake transporter; higher PEAB than PEBA permeability suggests involvement of an apical uptake transporter (like PepTl) and/or basolateral efflux transporter (like MRP3). Active transport is concentrationdependently saturable.
Caco-2 cells (1-2 * 105 cells/cm2 area) are seeded on filter inserts (Costar transwell polycarbonate or PET fïlters, 0.4 pm pore size) and cultured (DMEM) for 10 to 25 days. λΤ'
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Compounds are dissolved in appropriate solvent (like DMSO, 1-20 mM stock solutions). Stock solutions are diluted with HTP-4 buffer (128.13 mM NaCl, 5.36 mM KC1, 1 mM MgSO4, 1.8 mM CaCl2,4.17 mM NaHCCh, 1.19 mM Na2HP04x7H2O, 0.41 mM NaH2PO4xH2O, 15 mM HEPES, 20 mM glucose, pH 7.2) to préparé the transport solutions (typically 10 μΜ compound, final DMSO <= 0.5 %). The transport solution (TL) is applied to the apical or basolateral donor side for measuring A-B or B-A permeability (3 filter replîcates), respectively. The receiver side contains HTP-4 buffer supplemented with 2% BSA. Samples are collected at the start and end of experiment from the donor and at various time intervals for up to 2 hours also from the receiver side for concentration ίο measurement by LC-MS/MS or scintillation counting. Sampied receiver volumes are replaced with fresh receiver solution.
The apparent permeability coefficients (PEAB and PEBA) and efflux ratios (PEBA/PEAB) of selected compounds in the Caco-2 drug transport assay described above are listed in is Table 32.
TABLE 32
Example | PEAB [cm/s] | PEBA [cm/s] | Efflux ratio |
IA | 0.000051 | 0.0000764 | 1.5 |
7.3 | 0.00000949 | 0.0000671 | 7.1 |
35 | 0.0000569 | 0.0000738 | 1.3 |
9A | 0.0000439 | 0.000073 | 1.7 |
7.2A | 0.00000403 | 0.0000633 | 15.7 |
31 | 0.0000809 | 0.0000695 | 0.9 |
52.1 | 0.0000571 | 0.0000583 | 1.0 |
41.17 | 0.0000234 | 0.0000807 | 3.5 |
41.1 | 0.00000816 | 0.0000729 | 8.9 |
41.5 | 0.00000885 | 0.000077 | 8.7 |
41.1 | 0.0000188 | 0.0000903 | 4.8 |
41.16 | 0.0000589 | 0.0000577 | 1.0 |
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52.2 | 0.0000708 | 0.0000803 | 1.1 |
41.4 | 0.00000941 | 0.0000815 | 8.7 |
10A | 0.000004925 | 0.0000574 | 14.5 |
25 | 0.0000567 | 0.000074 | 1.3 |
47.2 | 0.0000128 | 0.0000845 | 6.6 |
7.1A | 0.0000727 | 0.0000681 | 0.9 |
47.1 | 0.00000813 | 0.0000651 | 8.0 |
41A | 0.0000111 | 0.0000751 | 6.8 |
42.3 | 0.0000362 | 0.000086 | 2.4 |
42.4 | 0.0000397 | 0.000078 | 2.0 |
37.2 | 0.0000849 | 0.0000998 | 1.2 |
47.5 | 0.0000192 | 0.0000867 | 4.5 |
47.4 | 0.00000774 | 0.0000855 | 11.1 |
50.3 | 0.0000724 | 0.0000681 | 0.9 |
22 | 0.0000365 | 0.0000545 | 1.5 |
45.4 | 0.0000381 | 0.0000772 | 2.0 |
26.1 | 0.0000677 | 0.0000642 | 0.9 |
50.1 | 0.0000667 | 0.0000661 | 1.0 |
23 | 0.0000103 | 0.0000935 | 9.1 |
53.4 | 0.00000985 | 0.0000944 | 9.6 |
33 | 0.00000908 | 0.0000712 | 7.8 |
52.5 | 0.00000445 | 0.0000627 | 14.1 |
29 | 0.0000118 | 0.0000662 | 5.6 |
49A | 0.0000831 | 0.0000648 | 0.8 |
14A | 0.0000103 | 0.0000948 | 9.2 |
24 | 0.0000625 | 0.0000856 | 1.4 |
30B | 0.000012 | 0.0000714 | 5.9 |
30A | 0.00000352 | 0.000039 | 11.1 |
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15.4A | 0.000003 | 0.000046 | 15.0 |
26A | 0.000072 | 0.000076 | 1.1 |
2A | 0.000087 | 0.000069 | 0.8 |
example 4 disclosed in WO 2007/129060 | 0.0000060 | 0.000035 | 5.8 |
example 44 disclosed in US 2011/0034433 | 0.0000009 | 0.000014 | 15.5 |
example 38 disclosed in US 2011/0034433 | 0.0000002 | 0.0000028 | 17.1 |
Compared to the cyclic amide dérivative (example 4 disclosed in WO 2007/129060), the cyclic ketone example IA exhibits improved AB permeability and a reduced efflux ratio. The AB permeability and efflux ratio of example 1A are in the favorable range for an orally 5 administered drug.
Compared to the cyclic amide dérivative (example 44 disclosed in US 2011/0034433), the cyclic ketone example 10A exhibits improved AB permeability.
Compared to the cyclic amide dérivative example 38 disclosed in US 2011/0034433 bearing a carbamoyl (R-NH-C(=O)-) substituent at the dihydropyrimidinone nitrogen, io numerous examples of the invention bearing a carbamoyl (R-NH-C(=O)-) substituent at the dihydropyrimidinone nitrogen exhibit improved AB permeability and/or a reduced efflux ratio.
ASSAY FOR DETERMINATION OF AQUEOUS SOLUBILÏTY
The aqueous solubilïty of a compound is determined by comparing the amount dissolved in is aqueous buffer (containing 2.5% DMSO) to the amount dissolved in an acetonitrile/water (1/1) solution. Starting from a 10 mM DMSO stock solution, aliquots are diluted with acetonitrile/water (1/1) and Mcllvaine buffer pH 6.8, respectively. After 24 h of shaking, the solutions or suspensions are filtered and analyzed by LC-UV. The amount dissolved in buffer Îs compared to the amount dissolved in the acetonitrile/water (1/1) solution.
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Solubility is measured from 0.001 to 0.125 mg/ml at a DMSO concentration of 2.5%. If more than 90 % of the compound is dissolved in buffer, the value is marked with
The aqueous solubility of selected compounds in the solubility assay described above is 5 listed in Table 33.
TABLE 33
Example | Aqueous solubility [mg/mL] |
IA | 0.074 |
6.2 | 0.077 |
6.3 | 0.121 |
7.3 | 0.072 |
7.5 | 0.104 |
7.6 | 0.094 |
7.9 | 0,106 |
7.2A | 0.072 |
52.1 | 0.041 |
52.3 | 0.091 |
41.17 | 0.054 |
41.1 | 0.097 |
41.5 | 0.082 |
41.1 | 0.073 |
52.2 | 0.016 |
41.4 | 0.092 |
10A | 0.0845 |
25 | 0.062 |
47.2 | 0.045 |
7.1A | 0.023 |
47.1 | 0.083 |
Example | Aqueous solubility [mg/mL] |
49.3 | 0.032 |
41A | 0.079 |
46 | 0.01 |
52A | 0.088 |
42.3 | 0.02 |
42.4 | 0.021 |
42.6 | 0.067 |
14 | 0.045 |
47.5 | 0.016 |
37.4 | 0.021 |
47.4 | 0.019 |
22 | 0.013 |
45.4 | 0.028 |
26.1 | 0.041 |
50.1 | 0.041 |
23 | 0.015 |
15.4 | 0.069 |
53.3 | 0.034 |
53.4 | 0.014 |
45.5 | 0.056 |
33 | 0.043 |
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15.6 | 0.076 |
54.2 | 0.044 |
52.5 | 0.07 |
29 | 0.079 |
24.1 | 0.064 |
14A | 0.062 |
30B | 0.065 |
30A | 0.051 |
15.4A | 0.069 |
26A | 0.041 |
19 | 0.089 |
21 | 0.087 |
2A | 0.07 |
ASSAY FOR DETERMINATION OF CYTOCHROME P450 2C9 INHIBITION
The inhibition of cytochrome P450 2C9-isoenzyme catalysed hydroxylation of Diclofenac by the test compound is assayed at 37°C with human liver microsomes. Ail assays are carried out on a robotic system in 96 well plates. The final incubation volume contains TRIS buffer (0.1 M), MgCl2 (5 mM), human liver microsomes (0.1 mg/ml), Diclofenac (10 μΜ) and the test compound at five different concentrations or no compound (high control) in duplicate (e.g. hîghest concentration 10-50 μΜ with subséquent serial 1:4 dilutions). Following a short preincubation period, reactions are started with the cofactor (NADPH, 1 mM) and stopped by cooling the incubation down to 8 °C and subsequently by addition of one volume of acetonitrile. An internai standard solution - usually the stable isotope of the formed métabolite - is added after quenching of incubations. Peak area analyte (=metabolîte formed) and internai standard is determined by LC-MS/MS. The resulting peak area ratio analyte to internai standard in these incubations is compared to a control activity containing no test compound. Within each of the assay runs, the IC50 of a positive control inhibitor (sulfaphenazole) is determined. Experimental ICjg values are calculated by least square régression according to the following équation:
% control activity = (100 % control activîty/(l+(I/IC5o)*S))-B (I = inhibitor concentration, S = slope factor, B = background activity) tA-'7
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If the inhibition of the reaction is already >50% at the lowest concentration of the test compound, the ICsg is assigned < lowest concentration tested (usually <0.4 μΜ). If the inhibition of the reaction is still <50% at the highest concentration of the test compound, the IC50 is assigned > highest concentration tested (usually >50 μΜ).
The IC50 values of selected compounds in the CYP2C9 inhibition assay described above are listed in Table 34.
TABLE 34
Example | CYP2C9 IC50 [μΜ] |
IA | >50 |
10A | >50 |
9A | > 50 |
7.2A | > 50 |
41A | > 50 |
47.1 | > 50 |
47.2 | > 50 |
example 8A disclosed in WO 2005/0828683 | 12 |
Compared to the acyclic methyl ketone dérivative (example 8A disclosed in
WO 2005/0828683), the cyclic ketone example IA exhibits reduced CYP2C9 inhibition in the assay described above. This observation is surprising, since example l A differs from Example 8A in WO 2005/0828683 by only a single carbon-carbon bond.
is ASSAY FOR DETERMINATION OF CYTOCHROME P450 2C19 INHIBITION
The inhibition of cytochrome P450 2C19-isoenzyme catalysed hydroxylation of
Mephenytoin by the test compound is assayed at 37 °C with human liver microsomes. Ail assays are carried out on a robotic system in 96 well plates. The final incubation volume JJ
-19017445 contains TRIS buffer (O.l M), MgCb (5 mM), human liver microsomes (0.5 mg/ml), (5)-Mephenytoin (70 μΜ) and the test compound at five different concentrations or no compound (high control) in duplicate (e.g. highest concentration 10-50 μΜ with subséquent serial 1:4 dilutions). Following a short preincubation period, reactions are started wîth the s cofactor (NADPH, 1 mM) and stopped by cooling the incubation down to 8 °C and subsequently by addition of one volume of acetonitrile. An internai standard solution usually the stable isotope of the formed métabolite - is added after quenching of incubations. Peak area analyte (= métabolite formed) and internai standard is determined by LC-MS/MS. The resulting peak area ratio analyte to internai standard in these incubations ίο is compared to a control activity containing no test compound. Within each of the assay runs, the IC50 of a positive control inhibitor (tranylcypromine) is determined. Experimental IC50 values are calculated by least square régression according to the following équation:
% control activity = (100 % control activity/(l+(I/IC5o)*S))-B (I = inhibitor concentration, S = slope factor, B = background activity)
If the inhibition of the reaction is already >50% at the lowest concentration of the test compound, the IC50 is assigned < lowest concentration tested (usually <0.4 μΜ). If the inhibition of the réaction is still <50% at the highest concentration of the test compound, the IC50 is assigned > highest concentration tested (usually >50 μΜ).
The IC50 values of selected compounds in the CYP2CI9 inhibition assay described above are listed in Table 35.
TABLE 35
Example | CYP2C19 ICsoftiM] |
IA | >50 |
10A | 39 |
9A | >50 |
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Example | CYP2C19 IC50 [μΜ] |
7.2A | >50 |
41A | >50 |
47.1 | >50 |
47.2 | >50 |
example 8A disclosed in | 7.3 |
WO 2005/0828683 |
Compared to the acyclic methyl ketone dérivative (example 8A in WO 2005/0828683), the cyclic ketone example IA exhibits reduced CYP2C19 inhibition in the assay described above. This observation is surprising, since example 1A differs from example 8A in WO 2005/0828683 by only a single carbon-carbon bond.
ASSAY FOR DETERMINATION OF CYTOCHROME P450 2C8 INHIBITION
The inhibition of cytochrome P450 2C8-îsoenzyme catalysed dééthylation of Amodiaquine by the test compound is assayed at 37°C with human liver microsomes. Ail assays are carried out on a robotic system in 96 well plates. The final incubation volume contains TRIS buffer (0.1 M), MgCl2 (5 mM), human liver microsomes (0.05 mg/ml), Amodiaquine (1 μΜ) and the test compound at five different concentrations or no compound (high control) in duplicate (e.g. highest concentration 10-50 μΜ with subséquent serial 1:4 dilutions). Following a short preincubation period, reactions are started with the cofactor (NADPH, ImM) and stopped by cooling the incubation down to 8°C and subsequently by addition of one volume of acetonitrile. An internai standard solution - usually the stable isotope of the formed métabolite - is added after quenching of incubations. Peak area analyte (=metabolite formed) and internai standard is determined by LC-MS/MS. The resulting peak area ratio analyte to internai standard in these incubations is compared to a control activity containing no test compound. Within each of the assay runs, the IC50 of a positive control inhibitor (Montelukast) is determined. Experimental IC50 values are calculated by least square régression according to the following équation: 'Λ/'
-19217445 % control activity = (l00 % control activity/(l+(I/ICso)*S))-B (I - inhibitor concentration, S = slope factor, B = background activity)
If the inhibition of the reaction is already >50% at the lowest concentration of the test compound, the IC50 is assigned < lowest concentration tested (usually <0.4 μΜ). If the inhibition of the reaction is still <50% at the highest concentration of the test compound, the IC50 is assigned > highest concentration tested (usually >50 μΜ).
ιο The IC50 values of selected compounds in the CYP2C8 inhibition assay described above are listed in Table 36.
TABLE 36
Example | CYP2C8 IC50[pM] |
IA | >50 |
10A | >50 |
9A | >50 |
7.2A | > 50 |
41A | >50 |
47.1 | >50 |
47.2 | >50 |
example 8A disclosed in WO 2005/0828683 | 10.9 |
Compared to the acyclic methyl ketone dérivative (example 8A disclosed in
WO 2005/0828683), the cyclic ketone example IA exhîbits reduced CYP2C8 inhibition in the assay described above. This observation is surprising, since example 1A differs from example 8A in WO 2005/0828683 by only a single carbon-carbon bond.
COMBINATIONS
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The compounds of general formula 1 may be used on their own or combined with other active substances of formula 1 according to the invention. The compounds of general formula 1 may optionally also be combined with other pharmacologically active substances. These include, B2-adrenoceptor-agonists (short and long-acting), anticholinergics (short and long-acting), antî-inflammatory steroids (oral and topical corticosteroids), cromoglycate, methylxanthine, dissociated-glucocortîcoidmimetics, PDE3 inhibitors, PDE4- inhibitors, PDE7- inhibitors, LTD4 antagonists, EGFR- inhibitors, Dopamine agonists, PAF antagonists, Lipoxin A4 dérivatives, FPRL1 modulators, LTB4receptor (BLT1, BLT2) antagonists, Histamine H1 receptor antagonists, Histamine H4 receptor antagonists, dual Histamine H1/H3-receptor antagonists, P13-kinase inhibitors, inhibitors of non-receptor tyrosine kinases as for example LYN, LCK, SYK, ZAP-70, FYN, BTK or ITK, inhibitors of MAP kinases as for example p38, ERK1, ERK2, JNK1, JNK2, JNK3 or SAP, inhibitors of the NF-κΒ signalling pathway as for example IKK2 kinase inhibitors, iNOS inhibitors, MRP4 inhibitors, leukotriene biosynthese inhibitors as for example 5-Lîpoxygenase (5-LO) inhibitors, cPLA2 inhibitors, Leukotriene A4 Hydrolase inhibitors or FLAP inhibitors, MMP9-inhibitors, MMP12-inhibitors, non-steroidale anti-inflammatory agents (NSAIDs), Cathepsin C (or DPPI / Dipeptidylaminopeptidase I) inhibitors, CRTH2 antagonists, DPI-receptor modulators, Thromboxane receptor antagonists, CCR3 antagonists, CCR4 antagonists, CCR1 antagonists, CCR5 antagonists, CCR6 antagonists, CCR7 antagonists, CCR8 antagonists, CCR9 antagonists, CCR30 antagonists, CXCR3 antagonists, CXCR4 antagonists, CXCR2 antagonists, CXCR1 antagonists, CXCR5 antagonists, CXCR6 antagonists, CX3CR3 antagonists, Neurokinin (NK1, NK2) antagonists, Sphingosine 1-Phosphate receptor modulators, Sphingosine 1 phosphate lyase inhibitors, Adenosine receptor modulators as for example A2a-agonists, modulators of purinergicreceptors as for example P2X7 inhibitors, Histone Deacetylase (HDAC) activators, Bradykinin (BK.1, BK2) antagonists, TACE inhibitors, PPAR gamma modulators, Rho-kinase inhibitors, interleukin 1-beta converting enzyme (ICE) inhibitors, Toll-Like receptor (TLR) modulators, HMG-CoA reductase inhibitors, VLA-4 antagonists, ICAM-1 inhibitors, SHIP agonists, GABAa receptor antagonist, ENaC-inhibitors, Prostasin-inhibîtors, Melanocortin receptor (MC1R, MC2R, MC3R, MC4R, MC5R) modulators, CGRP antagonists, Endothelin antagonists, TNFa antagonists, anti-TNF antibodies, anti-GM-CSF antibodies, anti-CD46 antibodies, anti-IL-1 antibodies, anti-IL-2
-19417445 antibodies, anti-IL-4 antibodies, anti-IL-5 antibodies, anti-IL-13 antibodies, anti-IL-4/IL-13 antibodies, anti-TSLP antibodies, anti-OX40 antibodies, mucoregulators, immunotherapeutic agents, compounds against swelling of the aîrways, compounds against cough, VEGF inhibitors, but also combinations of two or three active substances.
Preferred are betamimetics, anticholinergics, corticosteroids, PDE4-inhibitors, LTD4-antagonists, EGFR-inhibitors, Cathepsin C inhibitors, CRTH2 inhibitors, 5-LO-inhibitors, Histamine receptor antagoniste and S Y K-inhibitors, especially Cathepsin C inhibitors, but also combinations of two or three active substances, i.e.:
• Betamimetics with corticosteroids, PDE4-inhibitors, CRTH2-inhibitors or LTD4antagonists, • Anticholinergics with betamimetics, corticosteroids, PDE4-inhibitors, CRTH2inhibîtors or LTD4-antagonists, • Corticosteroids with PDE4-inhibîtors, CRTH2-inhîbitors or LTD4-antagonists • P DE4-inhibitors with CRTH2-inhibitors or LTD4-antagonists • CRTH2-inhibitors with LTD4-antagonists.
INDICATIONS
The compounds of the invention and their pharmaceutically acceptable salts hâve activity as pharmaceuticals, in particular as inhibitors of neutrophii elastase, and thus may be used in the treatment of:
1. respiratory tract: obstructive diseases of the airways including: asthma, including bronchial, allergie, intrinsic, extrinsic, exercise-induced, drug-induced (including aspirin and NSAID-induced) and dust-induced asthma, both intermittent and persistent and of ail severities, and other causes of airway hyper-responsiveness; chronic obstructive pulmonary disease (COPD); bronchitis, including infectious and éosinophilie bronchitis; emphysema; alphal-antitrypsin deficiency; bronchiectasis; cystic fibrosis; sarcoidosis; farmer's lung and related diseases; hypersensitivity pneumonitis; lung fibrosis, including cryptogenic fibrosing alveolitis, idiopathic interstitial pneumonîas, fibrosis complicating anti-neoplastic therapy and chronic infection, including tuberculosis and aspergillosis and other fungal
-19517445 infections; complications of lung transplantation; vasculitic and thrombotic disorders of the lung vasculature, and pulmonary hypertension; antitussive activity including treatment of chronic cough associated with înflammatory and secretory conditions of the airways, and iatrogénie cough; acute and chronic rhinitis including rhinitis medicamentosa, and vasomotor rhinitis; perennial and seasonal allergie rhinitis including rhinitis nervosa (hay fever); nasal polyposis; acute viral infection including the common cold, and infection due to respiratory syncytial virus, influenza, coronavirus (including SARS) and adenovirus; acute lung injury; acute respiratory distress syndrome;
2. skin: psoriasis, atopie dermatitis, contact dermatitis or other eczematous dermatoses, and delayed-type hypersensitivity reactions; phyto- and photodermatitis; seborrhoeic dermatitis, dermatitis herpetiformis, lichen planus, lichen sclerosus et atrophica, pyoderma gangrenosum, skin sarcoîd, discoid lupus erythematosus, pemphigus, pemphîgoid, epidermolysis bullosa, urticaria, angioedema, vasculitides, toxic erythemas, cutaneous eosinophilias, alopecia areata, male-pattem baldness, Sweet's syndrome, Weber-Christian syndrome, erythema multiforme; cellulitis, both infective and non-infective; panniculitis;cutaneous lymphomas, non-melanoma skin cancer and other dysplastic lésions; drug-induced disorders including fixed drug éruptions;
3. eyes: blepharitîs; conjunctivitis, including perennial and vemal allergie conjunctivitis; iritis; anterior and posterior uveitis; choroiditis; autoimmune, degenerative or înflammatory disorders affecting the retina; ophthalmitis including sympathetic ophthalmitîs; sarcoidosîs; infections including viral, fungal, and bacterial;
4. genitourinary: nephritis including interstitial and glomerulonephritis; nephrotic syndrome; cystitis including acute and chronic (interstitial) cystîtis and Hunner's ulcer; acute and chronic urethritis, prostatitis, epididymitis, oophoritîs and salpingitis; vulvovaginitis; Peyronie's disease; erectîle dysfunction (both male and female);
5. allograft rejection: acute and chronic following, for example, transplantation of kidney, heart, liver, lung, bone marrow, skin or comea or following blood transfusion; or chronic graft versus host disease;
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6. other auto-immune and allergie disorders including rheumatoid arthritis, irritable bowel syndrome, systemic lupus erythematosus, multiple sclerosis, Hashimoto's thyroiditis, Graves' disease, Addisoris disease, diabètes mellitus, idiopathic thrombocytopaenic purpura, éosinophilie fasciitis, hyper-IgE syndrome, antiphospholipid syndrome andSazary syndrome;
7. oncology: treatment of common cancers including prostate, breast, lung, ovarian, pancreatic, bowel and colon, stomach, skin and brain tumors and malignancies affecting the bone marrow (including the leukaemias) and lymphoproliférative Systems, such as Hodgkin's and non-Hodgkiris lymphoma; including the prévention and treatment of metastatic disease and tumour récurrences, and paraneoplastic syndromes; and,
8. infectious diseases: virus diseases such as génital warts, common warts, plantar warts, hepatitis B, hepatitis C, herpes simplex virus, molluscum contagîosum, variola, human immunodeficiency virus (HIV), human papilloma virus (HPV), cytomégalovirus (CMV), varicella zoster virus (VZV), rhinovirus, adenovirus, coronavirus, influenza, para-influenza; bacterial diseases such as tuberculosis and mycobacterium avium, leprosy; other infectious diseases, such as fungal diseases, chlamydia, Candida, aspergillus, cryptococcal menîngitis, Pneumocystis camii, cryptosporidiosîs, histoplasmosis, toxoplasmosis, trypanosome infection and leishmanïasis.
For treatment of the above-described diseases and conditions, a therapeutically effective dose will generally be in the range from about 0.01 mg to about 100 mg/kg of body weight per dosage of a compound of the invention; preferably, from about 0.1 mg to about 20mg/kg of body weight per dosage. For Example, for administration to a 70 kg person, the dosage range would be from about 0.7 mg to about 7000 mg per dosage of a compound of the invention, preferably from about 7.0 mg to about 1400 mg per dosage. Some degree of routine dose optimization may be required to détermine an optimal dosing level and pattern. The active ingrédient may be administered from 1 to 6 times a day. —
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The actual pharmaceutically effective amount or therapeutic dosage will of course dépend on factors known by those skilled in the art such as âge and weight of the patient, route of administration and severity of disease. In any case the active ingrédient will be admînistered at dosages and in a manner which allows a pharmaceutically effective amount to be delivered based upon patient’s unique condition.
Claims (16)
- WHAT WE CLAIM1. A compound of formula 1 whereinR1 is phenyl or a five- or six-membered heteroaryl, wherein one, two or three éléments are replaced by an element independently selected from the group consisting of N, O or S; each ring optionally substituted with one, two or three substituents independently selected from the group consisting of halogen, O2N-, NC-, H2N-, HO-, R1’1, RllO-, R12, R1JS-, R13(O)S- and R13(O)2S-;R11 is independently selected from the group consisting of Ci-6-alkyl-, Cjô-cycloalkyl-, Ci-6-haloalkyl- and Cw.-halocycloalkyl;R12 is HO-C].6-alkyl- or R1 '-O-Ci.6-alkyl-;R13 is independently selected from the group consisting of H, HO-, Ru and R1'2;R2 is phenyl or a five- or six-membered heteroaryl, wherein one or two éléments are replaced by an element independently selected from the group consisting of N, O or S; each ring optionally substituted with a substituent independently selected from the group consisting of halogen, C^-alkyl-, C^-haloalkyl- and CM-alkyl-O-;R3 is a residue independently selected from the group consisting of • R31-;• R32(O)C-;• R32O(O)C-;• R32O(O)C-A-;• R3 2S-; R3 2(O)S-; R3 2(O)2S-;-19917445 • (R3 2)2N(O)C and • (R32)2N(O)C-A-;R31 is independently selected from the group consisting of H, R3 3, R3’4, CQfi-alkyl-Cj.(.-cycloalkyl- and C3.«cycloalkyl-C[_f,-alkyl·, each optionally substituted with one or two substituents independently selected from R31R311 is selected from the group consisting of HO-, halogen, NC-, R3 3O-, R3 5, R3 6and R3'7 orR31'1 dénotés a ring independently selected from phenyl and a four-membered heterocyclic ring containing one element independently selected from among N, O, S, S(O) and S(O)2;R311 dénotés a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2;each of the rings optionally substituted with one or two substituents independently selected from among HO-, O=, halogen, NC-, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3 5, R3 6 and R3'7 or two substituents are together R3 8;R3'2 is independently selected from among R31, phenyl and a five- or sixmembered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2; each ring optionally substituted with one or two substituents independently selected from among HO-, O=, NC-, halogen, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3'5, R3 6 and R3'7 or two substituents are together R3 8;or two R3 2 are together a three-, four-, five- or six-membered monocyclic or a six-, seven-, eight-, nine- or ten-membered bicyclic heterocyclic or heteroaryl ring optionally containing additional to the nitrogen one or two éléments independently selected from among N, O, S, S(O) and S(O)2;optionally substituted with one or two substituents, independently selected-20017445 from among HO-, F, O=, NC-, R3 ’, R3 3O-, R3 3-(O)C-, R3 4, R3 5, R1'6, R3 ’, phenyl and a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N,O, S, S(O) and S(O)2; or two substituents are together R3'8;R3 3 is independently selected from the group consisting ofC'i.;,-alkyl-,C3_6-cycloalkyl-, C].6-haloalkyl- and Cî-ô-halocycloalkyl;R34 is HO-C[.6-alkyl- or R13-O-Cw-alkyl-;R is independently selected from the group consisting of H2N-, R -HN-, io (R3 3)2N-, R33-(O)C-HN- and R3 3-(O)C-(R3 3)N-;R3'6 is independently selected from the group consisting of R3'3-(O)S-, R3 3(O)2S-, R3 3(HN)S-, R3r3(HN)(O)S-, R3 3(R3 3N)S-, R3 3(R3 3N)(O)S-, R3 3(R3-4N)S-, R33(R3 4N)(O)S-; R33(NC-N)S and R13(NC-N)(O)S-;R3 7 is independently selected from the group consisting of HO(O)C-, H2N(O)C-, is R3 3-O-(O)C-, R3 3-NH-(O)C- and (R3 3)2N-(O)C-;R3·8 is independently selected from the group consisting of Ci.6-alkylene and C].û-haloalkylene, wherein optionally one or two CH2-groups are replaced by -HN-, -(R3 3)N-, -(R3 4)N-, -(R3 3(O)C-)N-, -(R3 4(O)C-)N-, -O-, -S-, -S(O)- or -S(O)2-;A is -CH2-, -CH2-CH2- or -CH2-CH2-CH2-; optionally substituted with one or two substituents independently selected from the group consisting of halogen, R3 3, R3 3O- and R3 4 or two substituents together are R3 8;25 R4 is independently selected from the group consisting of halogen, Ci.6-alkyl-, C3.6-cycloalkyl-, C[.6-haloalkyl- and C^.ô-halocycloalkyl; or two R4 are together Cj-6-alkylene or Ci^-haloalkylene;m is 0, 1 or 2;or a sait thereof.-20117445
- 2. A compound of formula 1, according to claim 1, wherein R1 is Rl c and R1 c is phenyl or pyridinyl; each ring optionally substîtuted by one, two or three residues independently selected from the group consisting of F, Cl, Br-, ,NC-, R11, R13(O)S- and R13(O)2S-;R1 1 is independently selected from the group consisting of Ci-6-alkyl-, Cî-û-cycloalkyl-, Ci_6-haloalkyl- and Cj ^-halocycloalkyl;R12 is HO-C].6-alkyl- or RH-O-Ci.6-alkyl-;RL3 is independently selected from the group consisting of H, HO-, R11 and R12; or a sait thereof.
- 3. A compound of formula 1, according to claiml, wherein R1 is Rl e and Rl e is phenyl or pyridinyl; each ring optionally substîtuted by one or two residues independently selected from the group consisting of NC-, Me(O)S-, Me(O)2S and Et(O)2S; or a sait thereof.2 2 b
- 4. A compound of formula 1, according to one of the claims 1 to 3, wherein R is R ' and R2b is phenyl or a six-membered heteroaryl; wherein one or two éléments are replaced by N; each ring optionally substîtuted with a substituent independently selected from the group consisting of halogen, Cj j-alkyl- and Ci^-haloalkyl-; or a sait thereof.
- 5. A compound of formula 1, according to one of the claims 1 to 3, wherein R2 is R2 f and R2f is pyridinyl, optionally substîtuted with a substituent independently selected from the group consisting of F3C- and F2HC-, or a sait thereof.b b
- 6. A compound of formula 1, according to one of the claims 1 to 5, wherein A is A and A îs -CH2-, optionally substîtuted with one or two substituents independently selected from the group consisting of F, Me, Et, i-Pr, MeO, EtO, HOCH2O- and MeOCH2-; or a sait thereof.
- 7. A compound of formula 1, according to one of the claims 1 to 6, wherein R4 is R4a and R4 a is selected from the group consisting of halogen, Ci^-aikyl-, C3-6-cycloalkyl-,C].6-haloalkyl- and C3.6-halocycloalkyI; or a sait thereof.-20217445
- 8. A compound of formula 1, according to one of the claims 1 to 7, wherein R3 is a residue independently selected from the group consîsting of • R31-;• R3 2O(O)C- or R32O(O)C-CH2-;• R3 2(O)2S- and • (R3 2)2N(O)C- or (R3 2)2N(O)C-CH2-;R31 is independently selected from the group consîsting of H, R3'3, R3 4, Cj-6-aIkyl-C3.6-cycIoalkyl- and C3.6-cydoalkyl-C|6-alkyl-, each optionally substituted with one or two substituents independently selected from R31R311 is selected from the group consîsting of HO-, halogen, NC-, R3 3O-, R3 s, R3 6 and R3 7 orR311 is selected from the group consîsting of a ring independently selected from phenyl and a four-membered heterocyclic ring containing one element independently selected from among N, O, S, S(O) and S(O)2; orR311 dénotés a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2; each of the rings optionally substituted with one or two substituents independently selected from among HO-, O=, halogen, R , R3 3O-, R3 3-(O)C-, R3'4, R3 5, R3 6 and R3 7 or two substituents are together R38;R3 2 is independently selected from R31, phenyl or a five- or six-membered heterocyclic or heteroaryl ring containing one, two or three éléments independently selected from among N, O, S, S(O) and S(O)2; each ring optionally substituted with one or two substituents independently selected from HO-, O=, NC-, halogen, R3'3, R3 3O-, R3 3-(O)C-, R3 4, R3'5, R3 6 and R3 7 or two substituents are together R3 8;or two R3’2 are together a five- or six-membered monocyclic or a eight-, nine- or tenmembered bicyclîc heterocyclic or heteroaryl ring optionally containing additional-20317445 to the nitrogen one or two éléments independently selected from among N, O, S, S(O) and S(O)2; optionally substituted with one or two substituents, independently selected from HO-, F, O=, R3 3, R3 3O-, R3 3-(O)C-, R3 4, R3 5, R3 7 and R3 6 or two substituents are together R3'8;R is independently selected from the group consisting of Cj.6-alkyl-, C3.6-cycloalkyl-, Ci.<>-haloalkyl- and C3.6-halocycloalkyl;R3 4 is HO-Ci-6-alkyl- or R^-O-C^-alkyl-;R3 5 is independently selected from the group consisting of H2N-, R3 3-HN-, (R3 3)2Nand R3 3-(O)C-HN-;R3 6 is independently selected from the group consisting of R3 3-(O)S-, R3 3-(O)2S-,R3 3(HN)S-, R3 3(HN)(O)S-R3 3(R3 3N)S-, R3 3(R3 3N)(O)S-, R3 3(R3 4N)S- and R33(R34N)(O)S-;R3 7 is independently selected from the group consisting of HO(O)C-, H2N(O)C-, R3 3-O(O)C-, R3 3-NH-(O)C- and (R3 3)2N-(O)C-;R ' is independently selected from the group consisting of Ci.&-alkylene or C]_6-haloalkylene, wherein optionally one or two CH2-groups are replaced by -HN-, -(R3 3)N-, -(R3 4)N-, -(R3 3(O)C-)N-, -(R3 4(O)C-)N-, -O-, -S-, -S(O)- and -S(O)2-;or a sait thereof.
- 9. A compound of formula 1, according to one of the claims 1 to 7, wherein R3 is independently selected from the group consisting of HO(O)C-H2C-, MeO(O)C-H2C-, H2N(O)C-H2C-, MeHN(O)C-H2C-, Me2N(O)C-H2C-, morpholinyl-(O)C-H2C-, azetidinyl(O)C-H2C-, pyrrolidinyl-(O)C-H2C-, MeHN(O)C-, EtHN(O)C-, H0(CH2)2HN(O)C-, HO(CMe2)(CH2)HN(O)C-, HO(CH2)3HN(O)C-, Me(O)S(CH2)2HN(O)C-, Me(O)2S(CH2)2HN(O)C-, Et(O)2S- and Me(O)2S-; or a sait thereof-20417445
- 10. A compound of formula La to I.s, according to claim 1 ou—-20517445-20617445 or a sait thereof.
- 11. A compound according to one of the claims 1 to 10, wherein the configuration of formula 1 is formula Γ-20717445 or a sait thereof.
- 12. A compound of formula 1 according to any one claims 1 to 11 for use as a médicament.
- 13. A compound of formula 1 according to any one claims 1 to 11 for use as a médicament for the treatment of asthma and allergie diseases, gastrointestinal inflammatory diseases, éosinophilie diseases, chronic obstructive pulmonary disease, infection by pathogenic microbes and rheumatoid arthritîs.
- 14. Pharmaceutical composition, characterised in that it contains one or more compounds of formula 1 according to any one of claims 1 to 11 or a pharmaceutically active sait thereof.
- 15. Use of a compound of formula 1 according to one of claims 1 to 11 in the manufacture of a médicament for the treatment or prévention of diseases in which neutrophil elastase inhibitors hâve a therapeutic benefit.
- 16. A pharmaceutical composition comprising additionally to a compound of formula 1, according to any one of claims 1 to 11, a pharmaceutically active compound selected from the group consisting of betamimetics, anticholinergics, corticosteroids, PDE4-inhibitors, LTD4-antagonists, EGFR-inhibitors, Cathepsîn C inhibitors, CRTH2 inhibitors, 5-LO-inhibitors, Histamine receptor antagonists and SYK-inhibitors, but also combinations of two or three active substances. t/z- ..... antc_JUJL WYSAGHT SariYAOUNDE-CAMEROUNTél.- Fax.: 22 31 67 53-20817445ABSTRACTThis invention relates to substituted bicyclic dihydropyrimidinones of formula 1 and their use as inhibitors of neutrophil elastase activity, pharmaceutical compositions containing the same, and methods of using the same as agents for treatment and/or prévention of pulmonary, gastrointestinal and genitourinary diseases, inflammatory ίο diseases of the skin and the eye and other autoimmunc and allergie disorders, allograft rejection, and oncological diseases. \j^y
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP13154256.5 | 2013-02-06 |
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OA17445A true OA17445A (en) | 2016-12-22 |
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