TWI771342B - 吡咯并六員雜芳環類衍生物的製備方法及中間體 - Google Patents
吡咯并六員雜芳環類衍生物的製備方法及中間體 Download PDFInfo
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- TWI771342B TWI771342B TW106140518A TW106140518A TWI771342B TW I771342 B TWI771342 B TW I771342B TW 106140518 A TW106140518 A TW 106140518A TW 106140518 A TW106140518 A TW 106140518A TW I771342 B TWI771342 B TW I771342B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 title abstract description 8
- 125000001072 heteroaryl group Chemical group 0.000 title abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 66
- 150000001875 compounds Chemical class 0.000 claims description 189
- -1 allyloxycarbonyl Chemical group 0.000 claims description 64
- 125000006242 amine protecting group Chemical group 0.000 claims description 38
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 26
- 125000006239 protecting group Chemical group 0.000 claims description 25
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 18
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- 150000003839 salts Chemical class 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 13
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 12
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 12
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 12
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 11
- 125000003277 amino group Chemical group 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 150000001408 amides Chemical class 0.000 claims description 10
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 claims description 10
- 238000010511 deprotection reaction Methods 0.000 claims description 10
- 150000007522 mineralic acids Chemical class 0.000 claims description 10
- 150000007524 organic acids Chemical group 0.000 claims description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 125000005843 halogen group Chemical group 0.000 claims description 6
- 238000005580 one pot reaction Methods 0.000 claims description 6
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 claims description 6
- RUPAXCPQAAOIPB-UHFFFAOYSA-N tert-butyl formate Chemical group CC(C)(C)OC=O RUPAXCPQAAOIPB-UHFFFAOYSA-N 0.000 claims description 6
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 6
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 5
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 5
- 229940098779 methanesulfonic acid Drugs 0.000 claims description 5
- 125000004744 butyloxycarbonyl group Chemical group 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 125000003088 (fluoren-9-ylmethoxy)carbonyl group Chemical group 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 claims description 3
- 229940092714 benzenesulfonic acid Drugs 0.000 claims description 3
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 claims description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 3
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 claims description 3
- 125000001557 phthalyl group Chemical group C(=O)(O)C1=C(C(=O)*)C=CC=C1 0.000 claims description 3
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 3
- RZKYEQDPDZUERB-UHFFFAOYSA-N Pindone Chemical group C1=CC=C2C(=O)C(C(=O)C(C)(C)C)C(=O)C2=C1 RZKYEQDPDZUERB-UHFFFAOYSA-N 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 2
- 239000001530 fumaric acid Substances 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- 235000005985 organic acids Nutrition 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 2
- 150000003973 alkyl amines Chemical group 0.000 claims 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 claims 1
- 239000000543 intermediate Substances 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 78
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 69
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 48
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 48
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 46
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 41
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 36
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 28
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- 239000012046 mixed solvent Substances 0.000 description 27
- 239000002904 solvent Substances 0.000 description 26
- 239000003960 organic solvent Substances 0.000 description 24
- 239000000243 solution Substances 0.000 description 23
- 150000002576 ketones Chemical class 0.000 description 20
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 20
- 239000000047 product Substances 0.000 description 20
- 150000007529 inorganic bases Chemical class 0.000 description 19
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 18
- 239000002585 base Substances 0.000 description 18
- 150000008282 halocarbons Chemical class 0.000 description 18
- 150000007530 organic bases Chemical class 0.000 description 18
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 17
- 150000001298 alcohols Chemical class 0.000 description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 16
- 150000002170 ethers Chemical class 0.000 description 16
- 150000002825 nitriles Chemical class 0.000 description 16
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 14
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 14
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 12
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 12
- 150000002148 esters Chemical class 0.000 description 12
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 12
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- 238000001035 drying Methods 0.000 description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 10
- 229910000027 potassium carbonate Inorganic materials 0.000 description 10
- 235000011181 potassium carbonates Nutrition 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 description 9
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 8
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 description 8
- 235000017550 sodium carbonate Nutrition 0.000 description 8
- 239000007858 starting material Substances 0.000 description 8
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 7
- 150000007513 acids Chemical class 0.000 description 7
- 239000003513 alkali Substances 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 7
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 7
- 229910000024 caesium carbonate Inorganic materials 0.000 description 7
- 239000012043 crude product Substances 0.000 description 7
- 239000012065 filter cake Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000004949 mass spectrometry Methods 0.000 description 7
- 239000003208 petroleum Substances 0.000 description 7
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 7
- 235000015497 potassium bicarbonate Nutrition 0.000 description 7
- 239000011736 potassium bicarbonate Substances 0.000 description 7
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 7
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 7
- 239000012312 sodium hydride Substances 0.000 description 7
- 229910000104 sodium hydride Inorganic materials 0.000 description 7
- VSTXCZGEEVFJES-UHFFFAOYSA-N 1-cycloundecyl-1,5-diazacycloundec-5-ene Chemical compound C1CCCCCC(CCCC1)N1CCCCCC=NCCC1 VSTXCZGEEVFJES-UHFFFAOYSA-N 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- REKWWOFUJAJBCL-UHFFFAOYSA-L dilithium;hydrogen phosphate Chemical compound [Li+].[Li+].OP([O-])([O-])=O REKWWOFUJAJBCL-UHFFFAOYSA-L 0.000 description 6
- SUMDYPCJJOFFON-UHFFFAOYSA-N isethionic acid Chemical compound OCCS(O)(=O)=O SUMDYPCJJOFFON-UHFFFAOYSA-N 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- 239000012074 organic phase Substances 0.000 description 6
- 229910000160 potassium phosphate Inorganic materials 0.000 description 6
- 235000011009 potassium phosphates Nutrition 0.000 description 6
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 6
- PDOIFXBZGJPMGB-UHFFFAOYSA-N COC1=NSC(OC(=O)NC2=CC=CC=C2)=N1 Chemical compound COC1=NSC(OC(=O)NC2=CC=CC=C2)=N1 PDOIFXBZGJPMGB-UHFFFAOYSA-N 0.000 description 5
- 101000997832 Homo sapiens Tyrosine-protein kinase JAK2 Proteins 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 5
- 102100033444 Tyrosine-protein kinase JAK2 Human genes 0.000 description 5
- 125000002252 acyl group Chemical group 0.000 description 5
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 5
- 229910052808 lithium carbonate Inorganic materials 0.000 description 5
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 5
- 238000006467 substitution reaction Methods 0.000 description 5
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 125000004093 cyano group Chemical group *C#N 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229960005235 piperonyl butoxide Drugs 0.000 description 4
- 238000012805 post-processing Methods 0.000 description 4
- RPDAUEIUDPHABB-UHFFFAOYSA-N potassium ethoxide Chemical compound [K+].CC[O-] RPDAUEIUDPHABB-UHFFFAOYSA-N 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- 238000010009 beating Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000009615 deamination Effects 0.000 description 3
- 238000006481 deamination reaction Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 239000012458 free base Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229940045996 isethionic acid Drugs 0.000 description 3
- 229910000000 metal hydroxide Inorganic materials 0.000 description 3
- 150000004692 metal hydroxides Chemical group 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 3
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 125000004527 pyrimidin-4-yl group Chemical group N1=CN=C(C=C1)* 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 150000003460 sulfonic acids Chemical class 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- IAKHMKGGTNLKSZ-INIZCTEOSA-N (S)-colchicine Chemical compound C1([C@@H](NC(C)=O)CC2)=CC(=O)C(OC)=CC=C1C1=C2C=C(OC)C(OC)=C1OC IAKHMKGGTNLKSZ-INIZCTEOSA-N 0.000 description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 2
- OBTZDIRUQWFRFZ-UHFFFAOYSA-N 2-(5-methylfuran-2-yl)-n-(4-methylphenyl)quinoline-4-carboxamide Chemical compound O1C(C)=CC=C1C1=CC(C(=O)NC=2C=CC(C)=CC=2)=C(C=CC=C2)C2=N1 OBTZDIRUQWFRFZ-UHFFFAOYSA-N 0.000 description 2
- OJCCUUWVUOCZAA-UHFFFAOYSA-N 3-methoxy-1,2,4-thiadiazol-5-amine Chemical compound COC1=NSC(N)=N1 OJCCUUWVUOCZAA-UHFFFAOYSA-N 0.000 description 2
- JAXWIBIZVKJZRX-UHFFFAOYSA-N 3-methoxy-N-[(4-methoxyphenyl)methyl]-1,2,4-thiadiazol-5-amine Chemical compound COC1=NSC(=N1)NCC1=CC=C(C=C1)OC JAXWIBIZVKJZRX-UHFFFAOYSA-N 0.000 description 2
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- 229940124530 sulfonamide Drugs 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000003930 superacid Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 0.000 description 1
- DYVOLUUJJDFBFC-UHFFFAOYSA-N tripotassium butan-1-olate Chemical compound [K+].[K+].[K+].CCCC[O-].CCCC[O-].CCCC[O-] DYVOLUUJJDFBFC-UHFFFAOYSA-N 0.000 description 1
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Abstract
本發明涉及吡咯并六員雜芳環類衍生物的製備方法及中間體。具體而言,本發明涉及一種吡咯并六員雜芳環類衍生物的製備方法和製備過程中的中間體及其製備方法,該方法提高了反應產率、簡單易操控、利於工業擴大生產。
Description
本發明涉及一種吡咯并六員雜芳環類衍生物、其可藥用鹽的製備方法和製備過程中的中間體及其製備方法,該吡咯并六員雜芳環類衍生物可作為JAK抑制劑用於製備治療骨髓增生性腫瘤和/或白血病的藥物中的用途。
JAK蛋白激酶抑制劑,尤其是JAK3蛋白激酶抑制劑,能夠阻止T細胞的活化,並防止移植手術後的移植排斥。這些藥物對於其他自身免疫疾病亦能產生療效。作為一個重要的蛋白激酶,JAK3也可調節淋巴細胞,巨噬細胞和肥大細胞的功能。JAK3抑制劑將有望用於治療或預防涉及淋巴細胞,巨噬細胞或肥大細胞功能相關的多種疾病。研究發現,在患有骨髓纖維化類疾病病人人群中,大於50%的患者體內JAK2激酶產生突變,且疾病相關症狀如貧血,脾腫大及向急性髓細胞型白血病(acute myeloid leukemia,AML)轉化的風險的增加均與JAK2基因變異導致的活性增加和JAK-STAT信號路徑的異常活躍有密切關係。同時, JAK2活性在多種實體和血液腫瘤疾病中(膠質母細胞瘤,乳腺癌,多發性骨髓瘤,***癌,AML等)異常升高。因此,開發JAK2選擇性的抑制劑對於骨髓增生性腫瘤和白血病的治療有很大的醫療價值和市場潛力(INCYTE公司和NOVARTIS合作開發的JAK2選擇性抑制劑Ruxolitinib(INCB-018424)-已被FDA批准成功上市)。
目前公開了一系列吡咯并六員雜芳環類衍生物的JAK抑制劑,例如WO2001042246、WO2002000661、WO2009054941、WO2011013785、WO2013091539A1、WO2014194741A1等,其中WO2013091539A1公開了一種吡咯并六員雜芳環類衍生物(化合物34)的製備方法,具體方法如下:
該方法的起始原料1d化合物結構中存在裸露的亞胺基,會與自身六員環上的氯原子發生反應,生成副產物,中間體5的產率僅為5.0%,並且反應時間長達48h;終產物34製備方法藉由式(III)所示化合物的鹽酸鹽與式(C)所示化合物來製備、後處理使用柱層析分離提純法,其產率僅為25.9%,這種方法不利於工業擴大生產。因此,有必要改進現有的製備方法。
本發明要解決的技術問題是提供一種製備式(IV)所示化合物的方法和中間體,藉由改變起始原料提高中間體產率,終產物藉由式(III)所示游離鹼來製備,該方法簡單易控、起始原料等反應物簡單易購買、反應條件簡單可控、反應後處理方法簡單,反應產率顯著提高、利於工業擴大生產。
本發明的技術方案如下:本發明提供一種式(I)所示的化合物或其立體異構體:
其中,R1為氫或胺基保護基;R2為胺基保護基;R3選自氫原子、C1-6烷基或胺基保護基;所述胺基保護基較佳係烷氧羰基類胺基保護基、醯基類胺基保護基、磺醯基類胺基保護基或烷基類胺基保護基,所述烷氧羰基類胺基保護基選自苄氧羰基(Cbz)、第三丁氧羰基(Boc)、芴甲氧羰基(Fmoc)、烯丙氧羰基(Alloc)、三甲基矽乙氧羰基(Teoc)、甲氧羰基或乙氧羰基,所述醯基類胺基保護基選自鄰苯二甲醯基(Pht)、三氟乙醯基(Tfa)、特戊醯基、苯甲醯基、甲醯基或乙醯基;所述磺醯基類胺基保護基選自對甲苯磺醯基(Tos或 Ts)、鄰硝基苯磺醯基(o-Ns)或對硝基苯磺醯基(p-Ns);所述烷基類胺基保護基選自三苯甲基(Trt)、2,4-二甲氧基苄基(Dmb)、對甲氧基苄基(PMB)或苄基(Bn)。
較佳地,其中,R1選自烷氧羰基類胺基保護基,所述烷氧羰基類胺基保護基較佳係苄氧羰基(Cbz)、第三丁氧羰基(Boc)、芴甲氧羰基(Fmoc)或烯丙氧羰基(Alloc),更佳係第三丁氧羰基(Boc);R2選自磺醯基類胺基保護基,所述磺醯基類胺基保護基對甲苯磺醯基(Tos或Ts)、鄰硝基苯磺醯基(o-Ns)或對硝基苯磺醯基(p-Ns),更佳係對甲苯磺醯基(Ts);R3選自氫原子或甲基。
上述方案中,所述反應是在有機溶劑和鹼的作用下,反應結束後,加水、析晶、過濾,濾餅用鹵代烴類溶劑溶解,分液,所得粗製品藉由重結晶法得到產物,反應溫度選自30℃-溶劑沸點,較佳係100℃,所述有機溶劑選自但不限於醯胺類、醇類、醚類、酮類或腈類中的一種或多種,較佳係N,N-二甲基乙醯胺、N,N-二甲基甲醯胺、四氫呋喃、丙酮、乙腈、甲醇、乙醇、二甲基亞碸、1,4-二氧六環,更佳係N,N-二甲基甲醯胺(DMF),所述鹼包括但不限於有機鹼和無機鹼,所述的有機鹼包括但不限於三乙胺、N,N-二異丙基乙胺、正丁基鋰、第三丁醇鉀、第三丁醇鈉、1,8-二氮雜二環十一碳-7-烯、吡啶、4-二甲胺基吡啶,所述的無機鹼類包括但不限於氫化鈉、碳酸鈉、碳酸鉀、碳酸氫鈉、磷酸鉀、碳酸鋰、磷酸氫鋰、碳酸氫鉀或碳酸銫,較佳係碳酸鉀;所述鹵代烴類溶劑較佳係二氯甲烷。所述重 結晶方法包括可以用通常的重結晶操作方法進行,例如,可以用原料化合物在有機溶劑中加熱溶解後慢慢冷卻析晶,結晶完成後,經過濾乾燥,即可得到所需要的結晶;或者正反溶劑(良溶劑-反溶劑法)重結晶法得到目標產物。
較佳係式(I'-1)所示化合物與(3-甲氧基-1,2,4-噻二唑-5-基)胺基甲酸苯酯發生取代反應,得到式(IV)所示化合物。
進一步較佳係所述式(I'-1)所示化合物、(3-甲氧基-1,2,4-噻二唑-5-基)胺基甲酸苯酯在有機溶劑中反應後,析晶,過濾,乾燥後即得目標式(IV)所示化合物。
較佳係式(Ic)所示化合物與(3-甲氧基-1,2,4-噻二唑-5-基)胺基甲酸苯酯發生取代反應,得到式(IV)所示化合物。
進一步較佳係所述式(Ic)所示化合物、(3-甲氧基-1,2,4-噻二唑-5-基)胺基甲酸苯酯和鹼在有機溶劑中反應後,析晶,過濾,乾燥後即得目標式(IV)所示化合物。
上述方案中所述有機溶劑包括但不限於醯胺類、醇類、醚類、酯類、鹵代烴類、脂肪烴類、酮類或腈類中的一種或多種,較佳係正丁烷、正己烷、N,N-二甲基乙醯胺、N,N-二甲基甲醯胺、四氫呋喃、二氯甲烷、氯仿、乙酸乙酯、丙酮、乙腈、甲醇、乙醇、甲苯、二甲基亞碸、1,4-二氧六環、甲醚,更佳係四氫呋喃;所述鹼包括但不限於有機鹼和無機鹼,所述的有機鹼包括但不限於三乙胺、N,N-二異丙基乙胺、正丁基鋰、第三丁醇鉀、第三丁醇鈉、1,8-二氮雜二環十一碳-7-烯、吡啶、4-二甲胺基吡啶,所述的無機鹼包括但不限於氫化鈉、碳酸鈉、碳酸鉀、碳酸氫鈉、磷酸鉀、碳酸鋰、磷酸氫鋰、碳酸氫鉀或碳酸銫,較佳係三乙胺;所述反應溫度選自15℃-溶劑沸點溫度,較佳係50℃-溶劑沸點溫度。
較佳地,式(III)所示游離鹼化合物與(3-甲氧基-1,2,4-噻二唑-5-基)胺基甲酸苯酯發生取代反應,得到式(IV)所示化合物。
進一步較佳地,所述式(III)所示游離鹼化合物、(3-甲氧基-1,2,4-噻二唑-5-基)胺基甲酸苯酯和鹼在有機溶劑中反應後,析晶,過濾,乾燥後即得目標式(IV)所示化合物。
更佳地,所述有機溶劑包括但不限於醯胺類、醇類、醚類、酯類、鹵代烴、脂肪烴類、酮類或腈類中的一種或多種,較佳係正丁烷、正己烷、N,N-二甲基乙醯胺、N,N-二甲基甲醯胺、四氫呋喃、二氯甲烷、氯仿、乙酸乙酯、丙酮、乙腈或甲醇、乙醇、甲苯、二甲基亞碸、1,4-二氧六環、甲醚,更佳係四氫呋喃;所述鹼包括但不限於有機鹼和無機鹼,所述的有機鹼包括但不限於三乙胺、N,N-二異丙基乙胺、正丁基鋰、第三丁醇鉀、第三丁醇鈉、1,8-二氮雜二環十一碳-7-烯、吡啶、4-二甲胺基吡啶,所述的無機鹼包括但不限於氫化鈉、碳酸鈉、碳酸鉀、碳酸氫鈉、磷酸鉀、碳酸鋰、磷酸氫鋰、碳酸氫鉀或碳酸銫,較佳係三乙胺;所述反應溫度選自15℃-溶劑沸點溫度,較佳係50℃-溶劑沸點溫度。本發明進一步涉及一種式(III)所示化合物的製備方法,所述方法為由式(Ia)所示化合物藉由脫胺基保護基得到式(III)所示化合物,其中,
R1、R2如式(I)中所定義。
較佳地,上述方案中的脫保護反應藉由兩步脫保護反 應。
更佳地,上述方案中的脫保護反應藉由一步脫保護反應。
上述方案中,兩步胺基脫保護的反應包括,
步驟一,中間體式(Ia)所示化合物藉由脫去胺基保護基得到中間體式(II)所示化合物;步驟二,中間體式(II)所示化合物藉由脫去胺基保護基得到式(III)所示化合物。
更佳地,所述步驟一的式(Ia)所示中間體在有機溶劑中與鹼在加熱條件反應脫去胺基保護基,萃取,所得粗製品藉由在酯類與醚類混合溶劑中打漿得到目標式(II)所示中間體,加熱溫度選自50℃-溶劑沸點,較佳係70℃,所述有機溶劑包括但不限於醯胺類、醇類、醚類、酮類或腈類中的一種或多種,較佳係N,N-二甲基乙醯胺、N,N-二甲基甲醯胺、四氫呋喃、丙酮、乙腈或甲醇,更佳係N,N-二甲基乙醯胺;所述鹼包括但不限於有機鹼和無機鹼,所述的有機鹼包括但不限於二異丙基胺基鋰(LDA)、正丁基鋰、乙醇鈉、甲醇鈉、乙醇鈉、乙醇鉀或第三丁醇鈉,所述的無機鹼類包括但不限於氫氧化鈉、氫氧化鉀、乙醇鈉、甲醇鈉、乙醇鈉、乙醇鉀、第三丁醇鈉、氫氧化鈉或氫氧化鉀,較佳係氫氧化鈉或氫氧化鉀。
更佳地,所述步驟二的式(II)所示中間體在有機溶劑中與酸反應,脫去胺基保護基,萃取的水相中加入鹼調pH,析出固體,過濾,打漿,再過濾、乾燥後得到目標式(III)所示中間體,所述有機溶劑包括但不限於醇類、酮類、腈類、醇 類與鹵代烴類的混合溶劑、醇類與醚類的混合溶劑、醇類與酯類的混合溶劑、酮類與鹵代烴的混合溶劑、酮類與醚類的混合溶劑、酮類與酯類的混合溶劑、腈類與鹵代烴類的混合溶劑、腈類與醚類的混合溶劑或腈類與酯類的混合溶劑,較佳係甲醇、乙醇、丙酮、乙腈、甲醇/二氯甲烷、甲醇/乙酸乙酯、甲醇/1,4-二氧六環、丙酮/二氯甲烷、丙酮/乙酸乙酯、丙酮/1,4-二氧六環、乙腈/二氯甲烷、乙腈/乙酸乙酯或乙腈/1,4-二氧六環,更佳係甲醇/二氯甲烷,酸選自甲酸、乙酸、甲磺酸、對甲苯磺酸、羥乙基磺酸、鹽酸或三氟乙酸,較佳係鹽酸,鹼選自金屬氫氧化物,較佳係氫氧化鈉或氫氧化鉀。
最佳的,其中,R1選自烷氧羰基類胺基保護基,所述烷氧羰基類胺基保護基較佳係苄氧羰基(Cbz)、第三丁氧羰基(Boc)、芴甲氧羰基(Fmoc)或烯丙氧羰基(Alloc),更佳係第三丁氧羰基(Boc);R2選自磺醯基類胺基保護基,所述磺醯基類胺基保護基對甲苯磺醯基(Tos或Ts)、鄰硝基苯磺醯基(o-Ns)或對硝基苯磺醯基(p-Ns),更佳係對甲苯磺醯基(Ts)。
進一步較佳地,其中,R1選自烷氧羰基類胺基保護基,所述烷氧羰基類胺基保護基較佳係苄氧羰基(Cbz)、第三丁氧羰基(Boc)、芴甲氧羰基(Fmoc)或烯丙氧羰基(Alloc),更佳係第三丁氧羰基(Boc); R2選自磺醯基類胺基保護基,所述磺醯基類胺基保護基對甲苯磺醯基(Tos或Ts)、鄰硝基苯磺醯基(o-Ns)或對硝基苯磺醯基(p-Ns),更佳係對甲苯磺醯基(Ts)。
第一步,中間體Ic的製備
惰性氣體保護下,化合物A2、B2溶解於有機溶劑中,加入鹼後,加熱反應,反應結束後冷卻至室溫,加入水、過濾、加入鹵代烴類溶劑溶解,萃取,乾燥後,減壓濃縮後得到中間體Ic,所述有機溶劑包括但不限於醯胺類、醇類、醚類、酮類或腈類中的一種或多種,較佳係正丁烷、正己烷、N,N-二甲基乙醯胺、N,N-二甲基甲醯胺、四氫呋喃、丙酮、乙腈、甲醇、乙醇、二甲基亞碸、1,4-二氧六環,更佳係N,N-二甲基甲醯胺;所述鹼包括但不限於有機鹼和無機鹼,所述的有機鹼包括但不限於三乙胺、N,N-二異丙基乙胺、正丁基鋰、第三丁醇鉀、第三丁醇鈉、1,8- 二氮雜二環十一碳-7-烯、吡啶、4-二甲胺基吡啶,所述的無機鹼類包括但不限於氫化鈉、碳酸鈉、碳酸鉀、碳酸氫鈉、磷酸鉀、碳酸鋰、磷酸氫鋰、碳酸氫鉀或碳酸銫,較佳係碳酸鉀;所述鹵代烴類溶劑較佳係二氯甲烷。第二步,中間體IIa的製備
將中間體Ic溶解於有機溶劑中,加入鹼,攪拌下加入水,加熱反應,反應結束後冷卻至室溫,加入水和鹵代烴類溶劑,萃取,乾燥,減壓濃縮後得到中間體IIa,所述有機溶劑包括但不限於醯胺類、醇類、醚類、酮類或腈類中的一種或多種,較佳係N,N-二甲基乙醯胺、N,N-二甲基甲醯胺、四氫呋喃、丙酮、乙腈或甲醇,更佳係N,N-二甲基乙醯胺,所述鹼包括但不限於有機鹼和無機鹼,所述的有機鹼包括但不限於二異丙基胺基鋰(LDA)、正丁基鋰、乙醇鈉、甲醇鈉,乙醇鈉,乙醇鉀或第三丁醇鈉,所述的無機鹼類包括但不限於氫氧化鈉或氫氧化鉀,較佳係氫氧化鈉或氫氧化鉀,所述鹵代烴類溶劑較佳係二氯甲烷。
第三步,中間體III的製備
將中間體IIa溶解於有機溶劑中,低溫滴加酸後,室溫攪拌反應,反應結束,濃縮反應液,加入水溶解,加入鹵代烴類溶劑萃取,水相用鹼調pH至鹼性,析出固體,過濾,乾燥後得到中間體III;所述有機溶劑包括但不限於醇類、酮類、腈類、醇類與鹵代烴類的混合溶劑、醇類與醚類的混合溶劑、醇類與酯類的混合溶劑、酮類與鹵代烴類的混合溶劑、酮類與醚 類的混合溶劑、酮類與酯類的混合溶劑、腈類與鹵代烴類的混合溶劑、腈類與醚類的混合溶劑或腈類與酯類的混合溶劑,較佳係甲醇、乙醇、丙酮、乙腈、甲醇/二氯甲烷、甲醇/乙酸乙酯、甲醇/1,4-二氧六環、丙酮/二氯甲烷、丙酮/乙酸乙酯、丙酮/1,4-二氧六環、乙腈/二氯甲烷、乙腈/乙酸乙酯或乙腈/1,4-二氧六環,更佳係甲醇/二氯甲烷,所述酸選自甲酸、乙酸、甲磺酸、對甲苯磺酸、羥乙基磺酸、鹽酸或三氟乙酸,較佳係鹽酸,所述鹼較佳係無機鹼,無機鹼較佳係金屬氫氧化物,如氫氧化鈉或氫氧化鉀,所述pH至鹼性較佳係8-11,更佳係9-10。
第四步,產物IV的製備
中間體III、化合物C加入到有機溶劑中,加入鹼,加熱反應,反應結束後,冷卻,析晶,過濾,乾燥後得到產物IV,所述有機溶劑包括但不限於醯胺類、醇類、醚類、酯類、鹵代烴、脂肪烴類、酮類或腈類,較佳係正丁烷、正己烷、N,N-二甲基乙醯胺、N,N-二甲基甲醯胺、四氫呋喃、二氯甲烷、氯仿、乙酸乙酯、丙酮、乙腈、甲醇、乙醇、甲苯、二甲基亞碸、1,4-二氧六環、甲醚,更佳係四氫呋喃,所述鹼包括但不限於有機鹼和無機鹼,所述的有機鹼包括但不限於三乙胺、N,N-二異丙基乙胺、正丁基鋰、第三丁醇鉀、第三丁醇鈉、1,8-二氮雜二環十一碳-7-烯、吡啶、4-二甲胺基吡啶,所述的無機鹼類包括但不限於氫化鈉、碳酸鈉、碳酸鉀、碳酸氫鈉、磷酸鉀、碳酸鋰、磷酸氫鋰、碳酸氫鉀或碳酸銫;較佳係三乙胺。
本發明的另一方面涉及一種製備式(IV)所示化合物的藥學上可接受的鹽的方法,包括上述方案中的步驟,以及藉由式(IV)所示化合物與酸反應製備得到其藥學上可接受的鹽的步驟,所述酸選自有機酸或無機酸,較佳係無機酸;所述有機酸選自檸檬酸、乙酸、三氟乙酸、草酸、酒石酸、馬來酸、富馬酸、對甲苯磺酸、苯磺酸或甲磺酸;所述無機酸選自鹽酸、硫酸或磷酸,較佳係硫酸。
在本申請的說明書和申請專利範圍中,除非另有說明,否則本文中使用的科學和技術名詞具有本領域技術人員所通常理解的含義。然而,為了更好地理解本發明,下面提供了部分相關術語的定義和解釋。另外,當本申請所提供的術語的定義和解釋與本領域技術人員所通常理解的含義不一致時,以本申請所提供的術語的定義和解釋為准。
本發明所述的“保護基”是指當多功能基有機化合物進行反應時,為使反應只發生在所希望的基團處,而避免其他基團遭受影響,此反應前將其他基團先加以保護,當反應完成後再恢復。能保護某種基團的試劑稱為該基團的保護基。選擇保護基的基本原則為:要求上保護基和脫保護基的反應條件都要溫和、操作方便、產率高、副反應少、不會一起參與其他反應、且產物易於分離純化、價廉易得等。
本發明所述的“胺基保護基”是指能夠保護胺基、避 免發生反應的基團,常見的胺基保護基包括但不限於:甲酸酯類(胺基與氯代甲酸酯、重氮甲酸酯或各類碳酸酯等反應製備)、亞胺類(伯胺與芳香醛、芳香酮或脂肪酮等反應製備)、烷氧羰基類(苄氧羰基(Cbz)、第三丁氧羰基(Boc)、芴甲氧羰基(Fmoc)、烯丙氧羰基(Alloc)、三甲基矽乙氧羰基(Teoc)、甲氧羰基或乙氧羰基)、醯基類(胺基與醯氯或酸酐等反應製備,如鄰苯二甲醯基(Pht)、三氟乙醯基(Tfa)、特戊醯基、苯甲醯基、甲醯基或乙醯基)、磺醯基類(芳香磺醯胺類如對甲苯磺醯基(Tos或Ts)、鄰硝基苯磺醯基(o-Ns)或對硝基苯磺醯基(p-Ns))或烷基類(三苯甲基(Trt)、2,4-二甲氧基苄基(Dmb)、對甲氧基苄基(PMB)或苄基(Bn))等,其中“烷氧羰基類、醯基類、磺醯基類”分別是指R-O-C(O)-、R-C(O)-、R-S(O)2-,其中R可以是氫原子、烷基或芳基等基團。
本發明所述的“打漿”是指利用物質在溶劑中溶解性差,但雜質在溶劑中溶解性好的特性進行純化的方法,打漿提純可以去色、改變晶型或去除少量雜質。
本發明所述“鹵代”是指被“鹵素原子”取代,“鹵素原子”是指氟原子、氯原子、溴原子、碘原子等。
本發明所述“C1-6烷基”表示直鏈或支鏈的含有1-6個碳原子的烷基,包括例如“C1-4烷基”、“C1-3烷基”等,具體實例包括但不限於:甲基、乙基、正丙基、異丙基、正丁基、異丁基、仲丁基、第三丁基、正戊基、異戊基、2-甲基丁基、新戊基、1-乙基丙基、正己基、異己基、 3-甲基戊基、2-甲基戊基、1-甲基戊基、3,3-二甲基丁基、2,2-二甲基丁基、1,1-二甲基丁基、1,2-二甲基丁基、1,3-二甲基丁基、2,3-二甲基丁基、2-乙基丁基、1,2-二甲基丙基等。
本發明所述“氰基”是指-CN等基團。
本發明所述的“醯胺類有機溶劑”是指羧酸分子中羧基中的羥基被胺基或烴胺基(-NHR或-NR2)取代而成的液體化合物;也可看作是胺或胺分子中氮原子上的氫被醯基取代而成的液體化合物;具體實例包括但不限於:N,N-二甲基甲醯胺、N,N-二甲基乙醯胺。
本發明所述的“醚類溶劑”是指含有醚鍵-O-且碳原子數為1至10個的鏈狀化合物或環狀化合物,具體實例包括但不限於:丙二醇甲醚、四氫呋喃或1,4-二氧六環。
本發明所述的“酯類溶劑”是指含碳原子數為1至4個的低級有機酸與含碳原子數為1至6個的低級醇的結合物,具體實例包括但不限於:乙酸乙酯、乙酸異丙酯或乙酸丁酯。
本發明所述的“醇類溶劑”是指一個或多個“羥基”取代“C1-6烷基”上的一個或多個氫原子所衍生的基團,所述“羥基”和“C1-6烷基”如前文所定義,具體實例包括但不限於:甲醇、乙醇、正丙醇或2-丙醇。
本發明所述的“鹵代烴類溶劑”是指一個或多個“鹵素原子”取代“C1-6烷基”上的一個或多個氫原子所衍生的基團,所述“鹵素原子”和“C1-6烷基”如前文所 定義,具體實例包括但不限於:氯甲烷、二氯甲烷、氯仿或四氯化碳。
本發明所述的“酮類溶劑”是指羰基(C(O)-)與兩個烴基相連的化合物,根據分子中烴基的不同,酮可分為脂肪酮、脂環酮、芳香酮、飽和酮和不飽和酮,具體實例包括但不限於:丙酮、甲基丁酮或甲基異丁酮。
本發明所述的“腈類溶劑”是指一個或多個“氰基”取代“C1-6烷基”上的一個或多個氫原子所衍生的基團,所述“氰基”和“C1-6烷基”如前文所定義,具體實例包括但不限於:乙腈或丙腈。
本發明所述的“脂肪烴類溶劑”是指具有脂肪族化合物基本屬性、分子中碳原子間連結成鏈狀碳架兩端張開不成環的且碳原子個數為1-10個的碳氫化合物如飽和脂肪烴類,包括烷烴類溶劑,具體實例包括但不限於:正丁烷、正戊烷、正己烷或正庚烷。“取代的”指基團中的一個或多個氫原子,較佳為最多5個,更佳為1~3個氫原子彼此獨立地被相應數目的取代基取代。不言而喻,取代基僅處在它們的可能的化學位置,本領域技術人員能夠在不付出過多努力的情況下確定(藉由實驗或理論)可能或不可能的取代。例如,具有游離氫的胺基或羥基與具有不飽和(如烯屬)鍵的碳原子結合時可能是不穩定的。
本發明所述的“混合溶劑”是指一種或多種不同種類的有機溶劑按照一定比例混合而成的溶劑,或有機溶劑與水按照一定比例混合而成的溶劑,所述混合溶劑較佳為 醇類與鹵代烴類的混合溶劑或酯類與醚類混合溶劑;所述醇類與鹵代烴類的混合溶劑較佳為甲醇與二氯甲烷的混合溶劑,所述一定比例可以是體積比或者品質比,品質比例選自10:1-1:10,較佳係1.6:1;所述酯類與醚類的混合溶劑較佳為乙酸乙酯與石油醚的混合溶劑,所述一定比例可以是體積比或品質比,體積比選自1:1~1:10,較佳為1:4。
本發明所述的“酸”是指有機酸或無機酸,“有機酸”指按照廣義的酸鹼理論,能接受電子對的化合物。有機酸包括羧酸、鹵代酸、羥基酸、酮酸、胺基酸、磺酸、亞磺酸、硫羧酸、酚酸等,較佳係磺酸,磺酸的具體實例包括但不限於:甲酸、乙酸、甲磺酸、乙磺酸、十二烷基苯磺酸、苯磺酸、對甲苯磺酸、三氟甲磺酸、三氟乙酸、羥乙基磺酸等;“無機酸”指能解離出氫離子的無機化合物,按照組成成分,無機酸可分成含氧酸、無氧酸、絡合酸、混酸、超酸等,較佳係含氧酸或無氧酸,含氧酸的具體實例包括但不限於:碳酸、硝酸、亞硝酸、次氯酸、硫酸或磷酸等;無氧酸的具體實例包括但不限於:氫氟酸、鹽酸、溴酸或硫化氫等。
本發明所述的“鹼”是指有機鹼或無機鹼,“有機鹼”指按照廣義的酸鹼理論,鹼就是能給出電子對的化合物,有機鹼分為胺類、醯胺類、醇的鹼金屬鹽類、烷基金屬鋰化合物、胺基鋰化合物、含氮的雜環化合物、提供氫氧根的有機鹼、胺基酸等,具體實例包括但不限於:二甲胺、三乙胺、乙二胺、秋水仙鹼、甲醇鈉、乙醇鈉、乙醇 鉀、第三丁醇鈉、第三丁醇鋰、正丁基鋰、N,N-二異丙基乙胺、二異丙基胺基鋰(LDA)、吡咯烷、吡啶、四甲基氫氧化銨、1,8-二氮雜二環十一碳-7-烯、4-二甲胺基吡啶、賴胺酸(Lys)等。“無機鹼”指能解離出氫氧根離子的無機化合物,按照組成成分,無機鹼可分成金屬化物、金屬氫氧化物、氨水或一水合氨、能夠解離出氫氧根離子的鹽等,具體實例包括但不限於:氫化鈉、氫氧化鋰、氫氧化鈉、氫氧化鉀、氫氧化鈣、氫氧化鎂、碳酸鈉(純鹼)、碳酸鉀、碳酸氫鈉(小蘇打)、磷酸鉀、碳酸鋰、磷酸氫鋰、碳酸氫鉀或碳酸銫等。三乙胺、N,N-二異丙基乙胺、正丁基鋰或、第三丁醇鉀、第三丁醇鈉,所述的無機鹼類包括但不限於氫化鈉、碳酸鈉、碳酸鉀或、碳酸氫鈉、碳酸氫鉀或碳酸銫。
本發明所述的“藥學上可接受的鹽或可藥用鹽”是指本發明化合物的鹽,這類鹽用於哺乳動物體內時具有安全性和有效性,且具有應有的生物活性,具體為本發明化合物與無機酸或有機酸形成的化合物,具體實例包括但不限於:檸檬酸鹽、鹽酸鹽、硫酸鹽、硫酸氫鹽、磷酸鹽、乙酸鹽、三氟乙酸鹽、草酸鹽、酒石酸鹽、馬來酸鹽、富馬酸鹽、磺酸鹽、對甲苯磺酸鹽、苯磺酸鹽、乙磺酸鹽或甲磺酸鹽等。
與現有技術(WO2013091539A1,公開日2013.06.27)相 比,本發明製備式(IV)所示化合物的技術方案具有以下優點:
(1)本發明與現有技術的起始原料不同,本發明的起始原料式(A)所示化合物的吡咯基上的氮原子藉由保護基保護後再與式(B)所示化合物反應,可以避免式(A)所示化合物五員環上裸露的胺基會與自身六員環上的鹵素發生反應,影響式(A)所示化合物和式(B)所示化合物反應不完全,導致產物的產率降低和雜質的增加,即降低副反應的發生。
(2)現有技術中公開的藉由式(III)所示化合物之鹽製備目標產物,該方法中的三乙胺先與式(III)所示化合物的鹽酸鹽()反應,將式(III)所示化合物游離出來,再與式(C)所示化合物反應得到目標產物,但此方法可能會剩餘過多的式(III)所示化合物,反應不完全;本發明將式(I)所示化合物藉由脫去保護基,得到游離的式(III)所示化合物(),與式(C)所示化合物發生反應後得到目標終產物,本發明的方法操作簡單、可以提高產率、提高產物純度,並且此方法中製備式(III)所示化合物的過程中藉由加入鹼調pH的操作還可以除去雜質,得到的式(III)所示化合物的純度較高。
(3)縮短反應時間,本發明製備式(IIa)所示化合物的步驟中第一步反應為2h,第二步反應1h,而現有技術公開的第一步反應時間為48h。
(4)產率提高,本發明第一步產率為60-70%、第二步 產率為80-90%,兩步總收率為48%-63%,而現有技術的產 率為5.0%;本發明最後一步產率為80-90%,現有技術為 25.9%。
(5)化學反應後處理方法簡單,本發明後處理方式為冷卻析晶、簡單的洗滌除雜質後即得目標產物,而現有技術為柱層析分離提純法,本發明後處理方法易於工業放大生產。
以下將結合實施例更詳細地解釋本發明,本發明的實施例僅用於說明本發明的技術方案,並非限定本發明的實質和範圍。
本發明實施例中未注明具體條件的實驗方法,通常按照常規條件,或按照原料或商品製造廠商所建議的條件。未注明具體來源的試劑,為市場購買的常規試劑。
化合物的結構是藉由核磁共振(NMR)或/和質譜(MS)來確定的。NMR位移(δ)以10-6(ppm)的單位給出。NMR的測定是用Bruker AVANCE-400核磁儀,測定溶劑為氘代二 甲基亞碸(DMSO-d 6 ),氘代氯仿(CDCl3),內標為四甲基矽烷(TMS)。
MS的測定用FINNIGAN LCQAd(ESI)質譜儀(生產商:Thermo,型號:Finnigan LCQ advantage MAX)。
HPLC的測定使用安捷倫高壓液相層析儀和Thermon UltiMate3000高效液相層析儀(Kromasil C18 250×4.6mm層析柱)。
4-氯-7-對甲苯磺酸-7H-吡咯并[2,3-d]嘧啶的製備
室溫下,將4-氯-7H-吡咯并[2,3-d]嘧啶(2kg,12.96mol)和二氯甲烷(40L)加入反應瓶中,攪拌溶解後,依次加入三乙胺(3.88kg,38.4mol)和4-二甲胺基吡啶(157.6g,1.28mol),攪拌溶解後,0℃滴加對甲苯磺醯氯(2.6kg,13.6mol)的二氯甲烷(30L)溶液,滴畢,室溫攪拌反應30min,TLC跟蹤反應結束後,向反應液依次用水(16L×3)洗滌,合併有機層,無水硫酸鈉乾燥,過濾,濾液減壓濃縮,減壓乾燥後得到標題產物(3.9kg,產率97.7%)。
MS m/z(ESI):309.0[M+1]
1H-NMR(400MHz,CDCl3)δ 8.77(s,1H),8.10-8.08(d, 2H),7.79-7.78(d,1H),7.34-7.32(d,2H),6.72-6.71(d,1H),2.41(s,3H)。
製備例2、起始原料式(B2)所示化合物按照公知方法WO2008089636A1(公開日2008.07.31)中的實施例1和WO2013091539A1(公開日2013.06.27)中的實施例5的方法製備。
MS m/z(ESI):241.5[M+1]
1H-NMR(400MHz,CDCl3)δ 3.21(m,2H),2.90-2.83(m,3H),2.47-2.45(m,2H),2.08(s,3H),1.42-1.33(m,4H),1.15(s,9H),0.94(s,1H)。
製備例3、起始原料式(C)所示化合物的製備方法如下:
將甲氧基苄胺(14kg)、四氫呋喃(50L)和三乙胺(26.8kg)加入反應釜中,攪拌溶解,10-15℃條件下滴加二硫化碳(7.8kg)溶解在四氫呋喃(5L)中的溶液,滴畢反應液中析出固體,10-20℃攪拌反應30min,10-20℃滴加對甲苯磺醯氯(20.5kg)溶解在四氫呋喃(50L)中的溶液,滴畢攪拌反應30min,TLC跟蹤反應結束後,在反應液中加入石油醚(30L)、純化水(100L),萃取分層,有機相用稀鹽酸(40L)洗 滌至pH=4-5,再依次用水(40L)洗,鹽水(25L)洗,分層,有機相用無水硫酸鈉乾燥,過濾,減壓濃縮後得標題產物(21.2kg,產率116%)。
將DMF(40L)、O-甲基異脲硫酸鹽(7.5kg)、碳酸氫鈉(6kg)加入反應釜中,30-40℃攪拌反應0.5h,加入1-(甲基異硫氰醯酸)-4-甲氧基苯甲醚(21.2kg)溶解於N,N-二甲基甲醯胺(5L)的溶液,30-40℃攪拌反應6-8h,TLC跟蹤反應結束,在30-40℃下滴加偶氮二甲酸二異丙酯(12.9kg),滴完後35-45℃攪拌反應2h,TLC跟蹤反應結束,加入純化水(180L),析出大量淡黃色固體,攪拌析晶2-3h,離心過濾,甩乾,依次用水、石油醚洗滌濾餅,過濾、乾燥後得標題產物(278.7g,產率110%)。
將3-甲氧基-N-(4-甲氧基苄基)-1,2,4-噻二唑-5-胺(12.4kg)和三氟乙酸(25L)加入反應瓶中,氬氣保護,73-75℃攪拌反應7-9h,TLC跟蹤反應結束,將反應液減壓濃縮,得到棕褐色液體,冷卻到室溫,攪拌加入鹽酸(1N,5L)和石油醚:乙酸乙酯(5L,V/V=1:1),攪拌溶解後,過濾,用 1N鹽酸洗滌濾餅(3L×3),濾液分層,有機相用1N鹽酸反萃(25L×3),合併水層,用濾布加濾紙過濾,除去不溶的固體,濾液用石油醚(25L)再萃取,水層加入乙酸乙酯(50L),攪拌下用固體碳酸鉀調節水層pH=8-9,分層,水層用乙酸乙酯再提取三次(30L×3),合併有機相,減壓濃縮後析出大量白色固體,稍冷卻,過濾,乾燥後得標題產物(45.8g,產率50%)。
1H-NMR(400MHz,DMSO-d 6)δ 7.92(s,2H),3.80(s,3H)。
將3-甲氧基-1,2,4-噻二唑-5-胺(500mg,3.82mmol)和氯甲酸苯酯(600mg,3.82mmol)溶解於二氯甲烷(20mL)中,滴加三乙胺(0.8mL,5.73mmol),滴畢反應16h,向反應液中加入水(30mL)稀釋,分液,水相用二氯甲烷萃取(20mL×2),合併有機相,無水硫酸鈉乾燥,過濾,減壓濃縮反應液,用矽膠柱層析法以洗脫劑(二氯甲烷和甲醇)純化所得殘餘物,得到標題產物3-甲氧基-1,2,4-噻二唑-5-基胺基甲酸苯酯(200mg,產率20.8%)。
MS m/z(ESI):252.2[M+1]
1H-NMR(400MHz,CDCl3)δ 12.33(s,1H),7.46-7.42(m,2H),7.33-7.26(m,3H),4.01(s,3H)。
實施例1、(3aR,5s,6aS)-N-(3-甲氧基-1,2,4-噻二唑-5-基)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲醯胺(化合物IV)的製備
(3aR,5s,6aS)-5-(甲基(7-對甲苯磺醯基-7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲酸第三丁酯(Ic)的製備
氮氣保護下,將4-氯-7-對甲苯磺醯基-7H-吡咯并[2,3-d]嘧啶(300g,0.98mol)、N-BOC-雙環辛烷酮(234g,0.98mol)和N,N-二甲基甲醯胺(2.3kg)加入反應瓶中,攪拌溶解,加入碳酸鉀(336g,2.44mol),攪拌下將反應液升溫至100℃反應2h,TLC跟蹤反應結束後,將反應液冷卻至室溫,加入冰水(15kg),析出大量土黃色固體,常溫攪拌1h,過濾, 濾餅用二氯甲烷(6kg)溶解,萃取,有機層用無水硫酸鈉乾燥,過濾,減壓濃縮得產物粗製品,將粗製品加熱溶於乙酸乙酯(1.2kg)中,室溫下緩慢加入石油醚(3.6kg),逐漸有固體析出,攪拌1h,過濾,濾餅減壓乾燥後得標題產物(349g,產率70.0%)。
(3aR,5s,6aS)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲酸第三丁酯(IIa)的製備
將(3aR,5s,6aS)-5-(甲基(7-對甲苯磺醯基-7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲酸第三丁酯(315g,0.62mol)和N,N-二甲基乙醯胺(1.5kg)加入反應瓶中,攪拌溶解,加入氫氧化鉀(176g,3.15mol),攪拌下加入水(300g),反應液析出固體,升溫至70℃,攪拌反應1h。TLC跟蹤反應結束後,將反應液冷卻至室溫,加入二氯甲烷(3.9kg)和水(3.0kg),萃取、分液,無水硫酸鈉乾燥,過濾,濾液減壓濃縮,得到淡黃色固體,加入乙酸乙酯/石油醚混合溶劑(1.0kg,v/v=1/4),50℃熱打漿0.5h,過濾,減壓乾燥後得標題產物(192g,產率87.2%)。
N-甲基-N-((3aR,5s,6aS)-八氫環戊二烯并[c]吡咯-5-基)-7H-吡咯并[2,3-d]嘧啶-4-胺(III)的製備
將(3aR,5s,6aS)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲酸第三丁酯(187g,0.52mol)、無水甲醇和二氯甲烷(0.8kg,w/w=1.6)加入反應瓶 中,攪拌溶解,冰水浴冷卻下,滴加鹽酸(0.55kg,15mol),滴畢於室溫攪拌反應10h,TLC跟蹤反應結束,減壓濃縮反應液至去除大部分有機溶劑,加入水(0.3L),用二氯甲烷(0.6kg×3)萃取,棄去有機相,水相用30%氫氧化鈉溶液調pH至9-10,有大量固體析出,過濾,用純化水(0.25kg×2)充分打漿,過濾,減壓乾燥得標題產物(131g,產率97.3%)。
(3aR,5s,6aS)-N-(3-甲氧基-1,2,4-噻二唑-5-基)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲醯胺(化合物IV)的製備
氮氣保護下,將N-甲基-N-((3aR,5s,6aS)-八氫環戊二烯并[c]吡咯-5-基)-7H-吡咯并[2,3-d]嘧啶-4-胺(101g,0.39mol)、(3-甲氧基-1,2,4-噻二唑-5-基)胺基甲酸苯酯(106g,0.42mol)和四氫呋喃(1.8kg)加入反應瓶中,攪拌均勻,加入三乙胺(170g,1.68mol),加畢,加熱回流,攪拌反應5h,TLC跟蹤反應結束後,將反應液冷卻至室溫,過濾,濾餅用四氫呋喃(400g)洗滌、無水乙醇(200g)洗滌,減壓乾燥後得標題產物(157g,產率96.5%)。
HPLC純度:99%
MS m/z(ESI):415.2[M+1]
1H-NMR(400MHz,DMSO-d 6)δ 11.63(s,1H),11.59(s,1H),8.10(s,1H),7.07(m,1H),6.54-6.53(m,1H),5.50-5.46(m,1H),3.91-3.87(s,3H),3.73-3.60(m,2H),3.37-3.33(m,2H), 3.19-3.16(s,3H),2.89(m,2H),2.05-1.97(m,2H),1.81-1.76(m,2H)。
實施例2、(3aR,5s,6aS)-N-(3-甲氧基-1,2,4-噻二唑-5-基)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲醯胺 硫酸氫鹽的製備
(1)粗製品的製備
將(3aR,5s,6aS)-N-(3-甲氧基-1,2,4-噻二唑-5-基)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲醯胺(140g,0.34mol)、無水甲醇(350g)和二氯甲烷(2.0kg)加入反應瓶中,攪拌,室溫下緩慢滴加硫酸(34.8g,0.36mol),反應液溶清,攪拌反應30min,過濾除去不溶物,濾液減壓濃縮得固體,加入無水乙醇(700mL),室溫攪拌4h,過濾,減壓乾燥得到(3aR,5s,6aS)-N-(3-甲氧基-1,2,4-噻二唑-5-基)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲醯胺 硫酸氫鹽粗製品(160g,產率92.4%)。
HPLC純度:99%
(2)產品的純化
將(3aR,5s,6aS)-N-(3-甲氧基-1,2,4-噻二唑-5-基)-5-(甲 基(7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲醯胺 硫酸氫鹽粗製品(145g,0.28mol)和無水甲醇(11kg)加入反應瓶中,回流溶清,熱過濾,減壓濃縮反應液,將該濃縮液冷卻至室溫攪拌、析晶,過濾,濾餅用無水乙醇(200g)洗滌,減壓乾燥後得到純化後的(3aR,5s,6aS)-N-(3-甲氧基-1,2,4-噻二唑-5-基)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)胺基)六氫環戊二烯并[c]吡咯-2(1H)-甲醯胺 硫酸氫鹽(138g,產率95.2%)。
HPLC純度:99.4%
MS m/z(ESI):415.2[M+1]
1H-NMR(400MHz,DMSO-d 6)δ 12.75(s,1H),11.04(s,1H),8.37(s,1H),7.42-7.41(t,1H),6.89(s,1H),5.19-5.15(m,1H),3.89(s,3H),3.70-3.68(m,2H),3.40-3.38(m,2H),3.29(s,3H),2.95(s,2H),2.16-2.09(m,2H),1.97-1.92(m,2H)。
Claims (26)
- 如申請專利範圍第1項所述的式(I)所示的化合物或其立體異構體, 其中,R1係選自烷氧羰基類胺基保護基;R2係選自磺醯基類胺基保護基;R3係選自氫原子或甲基。
- 如申請專利範圍第2項所述的式(I)所示的化合物或其立體異構體,其中,該烷氧羰基類胺基保護基係苄氧羰基、第三丁氧羰基、芴甲氧羰基或烯丙氧羰基,以及該磺醯基類胺基保護基係對甲苯磺醯基、鄰硝基苯磺醯基或對硝基苯磺醯基。
- 如申請專利範圍第3項所述的式(I)所示的化合物或其立體異構體,其中,該烷氧羰基類胺基保護基係第三丁氧羰基,以及該磺醯基類胺基保護基係對甲苯磺醯基。
- 如申請專利範圍第15至17項中任一項所述的方法,其中,R1、R2如申請專利範圍第2項中所定義。
- 如申請專利範圍第20至21項中任一項所述的方法,其中,R1、R2如申請專利範圍第2項中所定義。
- 一種製備式(IV)所示化合物的藥學上可接受的鹽的方 法,包括申請專利範圍第14、15項或申請專利範圍第24項中所述的步驟,以及藉由式(IV)所示化合物與酸反應製備得到其藥學上可接受的鹽的步驟,該酸係選自有機酸或無機酸;該有機酸選自檸檬酸、乙酸、三氟乙酸、草酸、酒石酸、馬來酸、富馬酸、對甲苯磺酸、苯磺酸或甲磺酸;該無機酸係選自鹽酸、硫酸或磷酸。
- 如申請專利範圍第25項所述的方法,其中,該酸係無機酸,以及該無機酸係硫酸。
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