CN113845424A - Right camphol ester compound and pharmaceutical application thereof - Google Patents
Right camphol ester compound and pharmaceutical application thereof Download PDFInfo
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- CN113845424A CN113845424A CN202111199113.5A CN202111199113A CN113845424A CN 113845424 A CN113845424 A CN 113845424A CN 202111199113 A CN202111199113 A CN 202111199113A CN 113845424 A CN113845424 A CN 113845424A
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- target compound
- compound
- ester compound
- camphanol
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- -1 camphol ester compound Chemical class 0.000 title claims abstract description 11
- DTGKSKDOIYIVQL-UHFFFAOYSA-N dl-isoborneol Natural products C1CC2(C)C(O)CC1C2(C)C DTGKSKDOIYIVQL-UHFFFAOYSA-N 0.000 title description 8
- 239000003814 drug Substances 0.000 claims abstract description 12
- 230000006378 damage Effects 0.000 claims abstract description 10
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 4
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 3
- CBOIHMRHGLHBPB-UHFFFAOYSA-N hydroxymethyl Chemical compound O[CH2] CBOIHMRHGLHBPB-UHFFFAOYSA-N 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 48
- 208000006011 Stroke Diseases 0.000 claims description 9
- 208000027418 Wounds and injury Diseases 0.000 claims description 8
- 208000014674 injury Diseases 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 3
- 241000843353 Embelia Species 0.000 claims 1
- 150000004492 retinoid derivatives Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 18
- 206010008118 cerebral infarction Diseases 0.000 description 17
- 229940125904 compound 1 Drugs 0.000 description 17
- 102000027484 GABAA receptors Human genes 0.000 description 15
- 108091008681 GABAA receptors Proteins 0.000 description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 229940125782 compound 2 Drugs 0.000 description 12
- 241001465754 Metazoa Species 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 11
- 229940126214 compound 3 Drugs 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- 238000005160 1H NMR spectroscopy Methods 0.000 description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 230000007971 neurological deficit Effects 0.000 description 9
- 208000024891 symptom Diseases 0.000 description 9
- 201000006474 Brain Ischemia Diseases 0.000 description 8
- 206010008120 Cerebral ischaemia Diseases 0.000 description 8
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 8
- 241000700159 Rattus Species 0.000 description 8
- 229940125898 compound 5 Drugs 0.000 description 8
- 150000002148 esters Chemical class 0.000 description 8
- 208000026106 cerebrovascular disease Diseases 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 5
- 229960003692 gamma aminobutyric acid Drugs 0.000 description 5
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 5
- 201000007309 middle cerebral artery infarction Diseases 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical compound C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 description 4
- 206010008089 Cerebral artery occlusion Diseases 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-L Malonate Chemical compound [O-]C(=O)CC([O-])=O OFOBLEOULBTSOW-UHFFFAOYSA-L 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 210000004556 brain Anatomy 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000010410 reperfusion Effects 0.000 description 4
- REPVLJRCJUVQFA-UHFFFAOYSA-N (-)-isopinocampheol Natural products C1C(O)C(C)C2C(C)(C)C1C2 REPVLJRCJUVQFA-UHFFFAOYSA-N 0.000 description 3
- 206010008190 Cerebrovascular accident Diseases 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 229940116229 borneol Drugs 0.000 description 3
- CKDOCTFBFTVPSN-UHFFFAOYSA-N borneol Natural products C1CC2(C)C(C)CC1C2(C)C CKDOCTFBFTVPSN-UHFFFAOYSA-N 0.000 description 3
- 210000001168 carotid artery common Anatomy 0.000 description 3
- 210000000269 carotid artery external Anatomy 0.000 description 3
- 230000002490 cerebral effect Effects 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 230000008484 agonism Effects 0.000 description 2
- 230000001270 agonistic effect Effects 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 230000036770 blood supply Effects 0.000 description 2
- 210000005013 brain tissue Anatomy 0.000 description 2
- 210000004004 carotid artery internal Anatomy 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000000302 ischemic effect Effects 0.000 description 2
- 210000003657 middle cerebral artery Anatomy 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- WGKORGIPQUAKOI-UHFFFAOYSA-N 3-cyclopropyloxy-3-oxopropanoic acid Chemical compound OC(=O)CC(=O)OC1CC1 WGKORGIPQUAKOI-UHFFFAOYSA-N 0.000 description 1
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 1
- WUBBRNOQWQTFEX-UHFFFAOYSA-N 4-aminosalicylic acid Chemical compound NC1=CC=C(C(O)=O)C(O)=C1 WUBBRNOQWQTFEX-UHFFFAOYSA-N 0.000 description 1
- 229960000549 4-dimethylaminophenol Drugs 0.000 description 1
- NKKMPIXWEPUSCG-UHFFFAOYSA-N 5-oxooctanal Chemical compound CCCC(=O)CCCC=O NKKMPIXWEPUSCG-UHFFFAOYSA-N 0.000 description 1
- 206010008092 Cerebral artery thrombosis Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PIWKPBJCKXDKJR-UHFFFAOYSA-N Isoflurane Chemical compound FC(F)OC(Cl)C(F)(F)F PIWKPBJCKXDKJR-UHFFFAOYSA-N 0.000 description 1
- 206010024264 Lethargy Diseases 0.000 description 1
- HGINADPHJQTSKN-UHFFFAOYSA-N Monoethyl malonic acid Chemical compound CCOC(=O)CC(O)=O HGINADPHJQTSKN-UHFFFAOYSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- MTCFGRXMJLQNBG-UHFFFAOYSA-N Serine Natural products OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229960004909 aminosalicylic acid Drugs 0.000 description 1
- 238000000540 analysis of variance Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 210000000133 brain stem Anatomy 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 210000001638 cerebellum Anatomy 0.000 description 1
- RNFNDJAIBTYOQL-UHFFFAOYSA-N chloral hydrate Chemical compound OC(O)C(Cl)(Cl)Cl RNFNDJAIBTYOQL-UHFFFAOYSA-N 0.000 description 1
- 229960002327 chloral hydrate Drugs 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- KJOZJSGOIJQCGA-UHFFFAOYSA-N dichloromethane;2,2,2-trifluoroacetic acid Chemical compound ClCCl.OC(=O)C(F)(F)F KJOZJSGOIJQCGA-UHFFFAOYSA-N 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- QELUYTUMUWHWMC-UHFFFAOYSA-N edaravone Chemical group O=C1CC(C)=NN1C1=CC=CC=C1 QELUYTUMUWHWMC-UHFFFAOYSA-N 0.000 description 1
- 230000010102 embolization Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 210000003194 forelimb Anatomy 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 229960002725 isoflurane Drugs 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000956 olfactory bulb Anatomy 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- 230000003285 pharmacodynamic effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- PHXULIQFYALWBW-UHFFFAOYSA-N propanedioic acid propane-1,2,3-triol Chemical compound C(CC(=O)O)(=O)O.OCC(O)CO PHXULIQFYALWBW-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000018 receptor agonist Substances 0.000 description 1
- 229940044601 receptor agonist Drugs 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229960001153 serine Drugs 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 210000000779 thoracic wall Anatomy 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 210000001186 vagus nerve Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
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-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/34—Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
- C07C69/38—Malonic acid esters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/06—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton from hydroxy amines by reactions involving the etherification or esterification of hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C219/00—Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C219/02—Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C219/04—Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C219/06—Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having the hydroxy groups esterified by carboxylic acids having the esterifying carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms of an acyclic saturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C227/16—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions not involving the amino or carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C227/18—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
- C07C227/20—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C229/22—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated the carbon skeleton being further substituted by oxygen atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/06—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/74—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring
- C07C69/743—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring of acids with a three-membered ring and with unsaturation outside the ring
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- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/36—Systems containing two condensed rings the rings having more than two atoms in common
- C07C2602/42—Systems containing two condensed rings the rings having more than two atoms in common the bicyclo ring system containing seven carbon atoms
Abstract
The right embedding alcohol ester compound and the medical application thereof have the structure conforming to the general formula (I)Wherein: r1、R2=‑H、‑NH2Or are linked to each other to form a cyclic structure, R3=‑COOR4Or CH2OH,R4=‑H,‑CH2CH2N(CH3)2Or an alkyl group of 1 to 3 carbon atoms. The medicine has good effect of reducing the stroke damage, and can be used for preparing the medicine for treating the stroke damage.
Description
Technical Field
The invention belongs to the field of pharmacy, and particularly relates to right camphol ester compounds and pharmaceutical application thereof.
Background
Stroke seriously harms human health. Right camphol (Borneol) has a clear effect on anti-cerebral ischemia (Journal of biological Research, 2017, 31: 306-. The dexamphenicol selectively agonizes the alpha 2 GABAA receptor and has less possibility of causing a lethargy side effect compared with a non-selective GABAA receptor, and has good safety. However, the dextral has low oral bioavailability and is difficult to dissolve in water, and when the dextral is prepared into injection, a large amount of organic solvent is required to be added, so that the difficulty of drug delivery preparation is increased, and the risk of clinical medication is increased. The document Theranostics, 2021, 11 (12): 5970-.
The invention 2021103905049 in China discloses the medicinal use of a kind of amino salicylic acid right camphanol ester, the structure of which conforms to the following general formula:
the medicine also has the function of selectively exciting alpha 2 GABAA receptors, but the water solubility is still poor, and the oral bioavailability is about 20 percent.
The invention CN 2021103911232 discloses an alpha 2 GABAA receptor agonist, the structure of which conforms to the following general formula:wherein:-NHCH3、N(CH3)2orR1is-H or-CH3,or-NH2,R3-H or alkyl of 1 to 4 carbon atoms.
It should be noted that: the compounds of the invention are capable of up-regulating the effects of the GABAA receptor constituted by the α 2 subunit in an in vitro cell model, whereas the control compounds 1, 2, 3 have no similar effect. And (4) prompting: the presence of a hydroxyl structure beta to the carboxyl group plays an important role in maintaining its agonistic action.
Disclosure of Invention
The technical problem to be solved is as follows: the invention provides a right camphanolide ester compound, pharmaceutically acceptable salts thereof and pharmaceutical application thereof. The medicine has good water solubility or good oral bioavailability, and has good effect of reducing stroke injury. Can be used for preparing medicine for treating cerebral apoplexy injury.
The technical scheme is as follows: a right camphanol ester compound has a structure in accordance with a general formula (I):
wherein: r1、R2=-H、-NH2Or are linked to each other to form a cyclic structure, R3=-COOR4Or CH2OH,R4=-H,-CH2CH2N(CH3)2Or an alkyl group of 1 to 3 carbon atoms.
The preferred structure is as shown in any one of structures 1-9 below:
the application of the right camphol ester compounds or pharmaceutically acceptable salts thereof in preparing medicines for treating cerebral apoplexy injury.
The medicine for treating cerebral apoplexy injury contains the right campylol ester compound and its pharmaceutically acceptable salt as effective component.
Has the advantages that: the medicine can selectively excite alpha 2 GABAA receptor, has the effect of reducing stroke injury, and can be used for preparing medicines for treating stroke injury.
Drawings
FIG. 1 Effect of target Compound 1, control Compound 2, control Compound 3 on the symptoms of neurological deficit;
FIG. 2 Effect of Compound of interest 3, Compound of interest 5, Compound of interest 6, Compound of interest 9 on neurological deficit symptoms;
FIG. 3 Effect of the object Compound 1, the control Compound 2, and the control Compound 3 on the cerebral infarction area (%);
fig. 4 shows the effect of target compound 3, target compound 5, target compound 6, and target compound 9 on the cerebral infarction area (%).
Detailed Description
The following examples are given to enable a person skilled in the art to fully understand the invention, but do not limit it in any way.
EXAMPLE 1 Synthesis of the object Compound
1.1 Synthesis of target Compounds 1, 2
1) Synthesis of Mono-Right camphanol malonate (target compound 1)
The synthetic route is as follows:
borneol (5.00mmol) is taken and dissolved in 10mL toluene, and then the cyclopropyl malonate (5.00mmol) is added for reflux reaction for 5 h. After the reaction, toluene was spin-dried, 50mL of ethyl acetate was added, the mixture was washed with saturated brine, and the organic layer was separated, added with anhydrous sodium sulfate and allowed to stand. Preparing sand, and passing through a column by EA: PE (2: 1) to obtain the product.1H NMR(400MHz,Chloroform-d)δ4.96(d,1H),3.44(s,2H),2.40-2.31(m,1H),1.87(d,1H),1.79-1.66(m,2H),1.34-1.18(m,2H),1.02(d,1H),0.89(s,3H),0.86(s,3H),0.83(s,3H).
2) Synthesis of 3-methyl ester of malonic acid, right camphanol ester (target compound 2)
The synthetic route is as follows:
taking the ester of mono-right camphanol malonate (target compound 1, 2.40g, 1)0.0mmol), dissolved in 40mL of methanol, 1.0mL of thionyl chloride, and reacted under reflux for 5 h. After the reaction is finished, spin-drying. Preparing sand, and passing through a column by EA: PE (2: 1) to obtain the product.1H NMR(400MHz,Chloroform-d)δ4.97(d,1H),3.68(s,3H),3.46(s,2H),2.42-2.31(m,1H),1.88(d,1H),1.79-1.65(m,2H),1.34-1.16(m,2H),1.03(d,1H),0.89(s,3H),0.86(s,3H),0.83(s,3H).
3) Synthesis of 3-ethyl malonate and right camphanol ester (target compound 3)
Referring to the target compound 2, the compound is synthesized into white powder by taking the glycerol malonate and the ethanol as raw materials.1H NMR(400MHz,Chloroform-d)δ4.97(d,1H),4.13(t,2H),3.46(s,2H),2.43-2.31(m,1H),1.89(d,1H),1.79-1.64(m,2H),1.35-1.16(m,5H),1.03(d,1H),0.89(s,3H),0.86(s,3H),0.83(s,3H).
4) Synthesis of 3-isopropyl ester-camphanol malonate (target compound 4)
Referring to the target compound 2, the compound is synthesized into white powder by taking the raw materials of the mono-right camphanol malonate and the isopropanol.1H NMR(400MHz,Chloroform-d)δ4.96-4.92(m,2H),3.44(s,2H),2.41–2.31(m,1H),1.87(d,1H),1.80–1.66(m,2H),1.36–1.18(m,8H),1.02(d,1H),0.89(s,3H),0.86(s,3H),0.83(s,3H).
5) Synthesis of 3- (2-N, N-dimethylethyl) malonate-ester-camphanol ester (target compound 5)
Referring to the target compound 2, the material is synthesized into white powder by the same method with the raw materials of the malonicacid monotrophanol ester and the N, N-dimethylethanolamine.1H NMR(400MHz,Chloroform-d)1H NMR(400MHz,Chloroform-d)δ4.97(d,1H),4.46(t,2H),4.35(s,3H),3.52-3.43(m,4H),2.82(s,6H),2.42–2.31(m,1H),1.88(d,1H),1.79–1.65(m,2H),1.34–1.16(m,2H),1.03(d,1H),0.89(s,3H),0.86(s,3H),0.83(s,3H).
6) Synthesis of 1, 1-dimethanol-camphanol cyclopropane (target compound 6)
According to the same method as that of the target compound 1, 6-dimethyl-5, 7-dioxaspiro 2.5 octane-4, 8-dione and dexborneol are used as raw materials to synthesize white powder.1H NMR(400MHz,DMSO-d6)δ4.78(d,1H),2.26–2.16(m,1H),1.85(dd,1H),1.65(d,2H),1.31–1.10(m,6H),0.91(d,1H),0.81(d,6H),0.75(s,3H).
7) Synthesis of 1, 1-dimethyl-phthalate-right-camphanol cyclopropane (target compound 7)
Referring to the target compound 2, the compound is synthesized into white powder by using 1, 1-mono-right camphanol diformate cyclopropane and methanol as raw materials.1H NMR(400MHz,DMSO-d6)δ4.78(d,1H),3.66(s,3H),2.26–2.15(m,1H),1.85(dd,1H),1.65(d,2H),1.31–1.10(m,6H),0.91(d,1H),0.81(d,6H),0.75(s,3H).
8) Synthesis of 1, 1-dimethyl formate-dexamphanol cyclopropane (target compound 8)
Referring to the target compound 2, the compound is synthesized into white powder by using 1, 1-mono-right camphanol diformate cyclopropane and methanol as raw materials.1H NMR(400MHz,DMSO-d6)δ4.78(d,1H),4.13(t,2H),2.26–2.15(m,1H),1.85(dd,1H),1.65(d,2H),1.31–1.10(m,8H),0.91(d,1H),0.81(d,6H),0.75(s,3H).
9) Synthesis of Right camphanol serine (target compound 9)
The synthetic route is as follows:
getN-Boc-O-benzyl-L-serine(6.00mmol), borneol (6.60mmol), DMAP (3.00mmol), DCC (9.00mmol), dissolved in 15mL dichloromethane, reacted at 40 ℃ for 12h, filtered by suction, dried by spinning, made into sand, and passed through a column with PE: EA of 10:1 to obtain a transparent oily substance (9-1). Taking the oily substance (9-1), adding dichloromethane-trifluoroacetic acid solution (2: 1), reacting for 3h, spin-drying, and spin-evaporating with dichloromethane to remove trifluoroacetic acid to obtain a yellow oily substance (9-2). Dissolving the yellow oily substance (9-2) in dichloromethane, reducing with hydrogen and palladium on carbon, reacting at 40 ℃ for 12h, performing suction filtration after the reaction is finished, performing spin-drying on the column (dichloro: methanol is 30: 1), dissolving the obtained product in EA, introducing HCl gas to generate a precipitate, and performing suction filtration to obtain the final product (9).1H NMR(400MHz,DMSO-d6)δ5.56(q,1H),4.93–4.81(m,1H),4.08(t,1H),3.80(p,2H),2.30–2.18(m,1H),1.89-1.82(m,1H),1.65(d,2H),1.24-1.18(m,2H),1.00(d,1H),0.84(d,3H),0.81(s,3H),0.77(d,3H).
EXAMPLE 2 Effect of the object Compounds on the GABAA receptor containing different alpha subunits
The GABA current is recorded by using electrophysiological whole cells through HEK293 cells of two GABAARs of alpha 1/beta 2/gamma 2 and beta 02/beta 13/gamma 2 which are expressed in a recombination mode, and the concentration of the GABAAR is selected from 0.01, 0.1, 1, 10, 100 and 1000nM for detection. As shown in Table 1, after administration of the objective compound, GABA current was significantly increased on GABAAR of α 2/β 3/γ 2 subtype, α 1/β 2/γ 2 and exhibited good dose-dependence and selectivity, and GABA current was not changed on GABAAR of α 1/β 2/γ 2 subtype. Calculating Emax and EC of GABA of alpha 2/beta 3/gamma 2 type GABAAR according to dose-effect curve fitted by computer50。
As can be seen from table 1: the compound 1 has good selectivity on GABAA receptors formed by alpha 2 subunits, and the good safety is suggested. The agonism of other target compounds on the GABAA receptor composed of α 2 subunit was determined in the same manner.
TABLE 1 GABA currents Emax and EC for the compounds of interest at the α 2/β 3/γ 2 GABAA receptor50(nM)
Emax | EC50 | Emax | EC50 | |||
Object Compound 1 | 108.6±21.8 | 1.46±0.003 | Target Compound 7 | / | / | |
Target Compound 2 | / | / | Target Compound 8 | / | / | |
Target Compound 3 | / | / | Target Compound 9 | 107.5±20.7 | 1.39±0.003 | |
Target Compound 4 | / | / | Control Compound 1 | / | / | |
Target Compound 5 | / | / | Control Compound 2 | / | / | |
Target Compound 6 | 106.6±22.3 | 1.44±0.003 | Control Compound 3 | / | / |
As can be seen from table 1: the target compound 1, the target compound 6 and the target compound 9 have good agonistic action on a GABAA receptor formed by alpha 2 subunits. The control compound showed no significant agonism. The target compound 2, the target compound 3, the target compound 4, and the target compound 5 are ester derivatives of the target compound 1, and can be metabolized in vivo to the target compound 1. The target compound 7 and the target compound 8 are ester derivatives of the target compound 6, and can be metabolized in vivo to the target compound 6.
Example 3 protective Effect of the object Compound on the model of rat focal cerebral ischemia reperfusion
A Middle Cerebral Artery Occlusion (MCAO) cerebral ischemia reperfusion model of rats is prepared by a Middle cerebral artery embolization method. Pharmacodynamic study: in total, 5 groups were set, namely a model group, an edaravone group (6.0mg/kg), a compound 1 group (10mg/kg), a compound 2 group (10mg/kg), and a compound 3 group (10 mg/kg). The animals of each group were administered 1 time of cerebral ischemia-reperfusion by tail vein injection 1 hour after cerebral ischemia-reperfusion, and then the neurological deficit symptoms were observed 24 hours after cerebral ischemia-reperfusion, and the cerebral infarction area was measured.
3.1 preparation of cerebral ischemia model
A Middle Cerebral Artery Occlusion (MCAO) cerebral ischemia reperfusion model is prepared by a Middle cerebral artery thrombosis method. Animal is anesthetized with gas (isoflurane), and the method comprises the steps of firstly placing a rat into an induction box of an MSS-3 small animal anesthesia machine for anesthesia, then fixing the rat in a supine position on a rat board connected with a breathing mask, disinfecting skin, incising the center of the neck, separating the right common carotid artery, the external carotid artery and the internal carotid artery, slightly stripping vagus nerve, ligating and cutting the external carotid artery. Clamping the proximal end of the common carotid artery, making an incision from the distal end of the ligature of the external carotid artery, inserting a 2438-A5 thread plug (the top end is hemispherical, the front end is 5-6mm coated with silica gel), entering the internal carotid artery through the bifurcation of the common carotid artery, then slowly inserting until slight resistance exists (about 20mm from the bifurcation), blocking the blood supply of the middle cerebral artery, suturing the skin of the neck, sterilizing, and putting back into a cage. After 90min of ischemia, the rats are induced to be anesthetized again, fixed on a rat board, the skin of the neck is cut open, the cord plug is found to be pulled out slightly, the blood supply is recovered for reperfusion, the skin of the neck is sutured, the rat is disinfected and placed back into a cage for feeding.
3.2 symptom evaluation of neurological deficit
The symptom of neurological deficit was assessed using a modified Bederson 5-score.
0: when the tail is lifted and suspended, the two forelimbs of the animal extend to the direction of the floor without other behavior defects
1: when the tail is lifted and suspended, the operation of the animal shows that the elbow of the left forelimb is flexed, the shoulder is rotated inwards, the elbow is expanded outwards and is tightly attached to the chest wall
2: the animal is placed on a smooth plate, and resistance is reduced when the side shoulder of the pushing operation moves to the opposite side
3: when the animal walks freely, the animal circulates or rotates towards the opposite side of the operation
4: flaccid limbs and trunk without spontaneous movement
3.3 cerebral infarction area measurement
The method is carried out by adopting a method reported in the literature. The animals are anesthetized by 10% chloral hydrate, the head is broken and the brain is taken, the olfactory bulb, cerebellum and lower brainstem are removed, the blood stain on the surface of the brain is washed by normal saline, the residual water stain on the surface is sucked off, the animals are placed at minus 80 ℃ for 7min, the animals are taken out and then are vertically downwards made into coronal section on the cross plane of the sight line immediately, and are cut into slices at intervals of 2mm backwards, the brain slices are placed in TTC (20g/L) dye solution freshly prepared by normal saline for incubation for 90min at 37 ℃, normal brain tissues are dyed into deep red, ischemic brain tissues are pale, the brain slices are quickly arranged from front to back in sequence after being washed by the normal saline, the residual water stain on the surface is sucked off, and the pictures are taken. The photographs were counted by using Image analysis software (Image Tool), and the right ischemic area (white area) and the right area were delineated, and the percentage of the cerebral infarct size was calculated by the following formula.
3.4 statistical analysis
Quantitative data are expressed as mean ± sem. The cerebral infarction area and the symptom score of the neurological deficit are measured by adopting one-factor variance analysis and Scheffe's test to determine the difference significance between the two groups, the mortality and the body weight are tested by adopting ANOVA, Stata statistical software is used for analyzing, and the difference P <0.05 is defined as the difference significance.
3.5 Effect of test substances on symptoms of neurological deficit
The effect of the target compound 1, the target compound 5, the target compound 6, the target compound 9, the control compound 1 and the right camphanol on the symptoms of the neurological deficit is shown in figure 1, and the target compound 1(10.0mg/kg), the target compound 5(10.0mg/kg), the target compound 6(10.0mg/kg), the target compound 9(10.0mg/kg) and the right camphanol (1.5mg/kg) have a remarkable improvement effect on the symptoms of the neurological deficit compared with the model group. The control compound 3 group (10.0mg/kg) had no significant improvement.
3.6 Effect of test substance on cerebral infarct size%
The effect of target compound 1, target compound 5, target compound 6, target compound 9, control compound 1 and dexanethol on cerebral infarction area (%) is shown in fig. 2, and target compound 1(10.0mg/kg), target compound 5(10.0mg/kg), target compound 6(10.0mg/kg), target compound 9(10.0mg/kg) and dexanethol (1.5mg/kg) have a significant effect of improving cerebral infarction area compared with the model group. The control compound 3 group (10.0mg/kg) had no significant improvement.
Claims (5)
1. A right camphanol ester compound is characterized in that the structure of the right camphanol ester compound conforms to the general formula (I):
3. a pharmaceutically acceptable salt of a retinoid as claimed in claim 2.
4. The use of the compounds of the right campholesterone class of any of claims 1 to 3 and the pharmaceutically acceptable salts thereof for the preparation of a medicament for the treatment of stroke injuries.
5. A medicament for treating stroke injury, characterized in that the effective component is the embelia alcohol ester compound as claimed in any one of claims 1 to 3 and pharmaceutically acceptable salts thereof.
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