CN107778307B - Preparation method of central alpha 2 adrenoreceptor agonist - Google Patents
Preparation method of central alpha 2 adrenoreceptor agonist Download PDFInfo
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- CN107778307B CN107778307B CN201610718000.4A CN201610718000A CN107778307B CN 107778307 B CN107778307 B CN 107778307B CN 201610718000 A CN201610718000 A CN 201610718000A CN 107778307 B CN107778307 B CN 107778307B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229940121947 Alpha 2 adrenoreceptor agonist Drugs 0.000 title description 2
- ZWUKMNZJRDGCTQ-UHFFFAOYSA-N Tizanidine hydrochloride Chemical compound Cl.ClC=1C=CC2=NSN=C2C=1NC1=NCCN1 ZWUKMNZJRDGCTQ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229960002388 tizanidine hydrochloride Drugs 0.000 claims abstract description 52
- 239000007787 solid Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 30
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 22
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims abstract description 14
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 13
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000019253 formic acid Nutrition 0.000 claims abstract description 11
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims abstract description 10
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims abstract description 10
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims abstract description 10
- JXTHNDFMNIQAHM-UHFFFAOYSA-N dichloroacetic acid Chemical compound OC(=O)C(Cl)Cl JXTHNDFMNIQAHM-UHFFFAOYSA-N 0.000 claims abstract description 10
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 8
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 8
- 239000011976 maleic acid Substances 0.000 claims abstract description 8
- 239000005711 Benzoic acid Substances 0.000 claims abstract description 5
- 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 abstract description 5
- 235000010233 benzoic acid Nutrition 0.000 claims abstract description 5
- 229960005215 dichloroacetic acid Drugs 0.000 claims abstract description 5
- 239000001530 fumaric acid Substances 0.000 claims abstract description 5
- 239000011975 tartaric acid Substances 0.000 claims abstract description 5
- 235000002906 tartaric acid Nutrition 0.000 claims abstract description 5
- 239000012065 filter cake Substances 0.000 claims description 127
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 103
- 238000001914 filtration Methods 0.000 claims description 91
- 238000003756 stirring Methods 0.000 claims description 83
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 60
- 238000001035 drying Methods 0.000 claims description 53
- 238000005406 washing Methods 0.000 claims description 52
- 238000001816 cooling Methods 0.000 claims description 49
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 31
- MURNIACGGUSMAP-UHFFFAOYSA-N 5-chloro-2,1,3-benzothiadiazol-4-amine Chemical compound NC1=C(Cl)C=CC2=NSN=C12 MURNIACGGUSMAP-UHFFFAOYSA-N 0.000 claims description 29
- JTRHTNVGGLWMFV-UHFFFAOYSA-N 4,5-dihydro-1h-imidazol-3-ium-2-sulfonate Chemical compound OS(=O)(=O)C1=NCCN1 JTRHTNVGGLWMFV-UHFFFAOYSA-N 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000010992 reflux Methods 0.000 claims description 26
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 claims description 24
- DZGCGKFAPXFTNM-UHFFFAOYSA-N ethanol;hydron;chloride Chemical class Cl.CCO DZGCGKFAPXFTNM-UHFFFAOYSA-N 0.000 claims description 23
- 235000019441 ethanol Nutrition 0.000 claims description 22
- 239000000706 filtrate Substances 0.000 claims description 22
- 238000005303 weighing Methods 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims 10
- 229960000488 tizanidine Drugs 0.000 abstract description 13
- 150000007524 organic acids Chemical class 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000003960 organic solvent Substances 0.000 abstract description 10
- -1 tizanidine organic acid salt Chemical class 0.000 abstract description 10
- 150000001875 compounds Chemical class 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 5
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 abstract description 3
- 230000001376 precipitating effect Effects 0.000 abstract description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 abstract description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 abstract description 2
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 abstract description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 abstract description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract description 2
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 abstract description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 abstract description 2
- 239000000384 adrenergic alpha-2 receptor agonist Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- XFYDIVBRZNQMJC-UHFFFAOYSA-N tizanidine Chemical compound ClC=1C=CC2=NSN=C2C=1NC1=NCCN1 XFYDIVBRZNQMJC-UHFFFAOYSA-N 0.000 description 9
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 6
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 6
- 238000009776 industrial production Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000003158 myorelaxant agent Substances 0.000 description 4
- 210000002027 skeletal muscle Anatomy 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000006482 condensation reaction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- GONOPSZTUGRENK-UHFFFAOYSA-N benzyl(trichloro)silane Chemical compound Cl[Si](Cl)(Cl)CC1=CC=CC=C1 GONOPSZTUGRENK-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000012024 dehydrating agents Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 150000002462 imidazolines Chemical class 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010023644 Lacrimation increased Diseases 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 208000007101 Muscle Cramp Diseases 0.000 description 1
- 208000008238 Muscle Spasticity Diseases 0.000 description 1
- 206010049816 Muscle tightness Diseases 0.000 description 1
- 206010028372 Muscular weakness Diseases 0.000 description 1
- 206010061533 Myotonia Diseases 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000048 adrenergic agonist Substances 0.000 description 1
- 229940126157 adrenergic receptor agonist Drugs 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- 238000011281 clinical therapy Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- OBISXEJSEGNNKL-UHFFFAOYSA-N dinitrogen-n-sulfide Chemical compound [N-]=[N+]=S OBISXEJSEGNNKL-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 206010014599 encephalitis Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 125000002636 imidazolinyl group Chemical group 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004317 lacrimation Effects 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 201000006417 multiple sclerosis Diseases 0.000 description 1
- 230000036473 myasthenia Effects 0.000 description 1
- 239000002547 new drug Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 208000018198 spasticity Diseases 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
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CN201610718000.4A CN107778307B (en) | 2016-08-24 | 2016-08-24 | Preparation method of central alpha 2 adrenoreceptor agonist |
Applications Claiming Priority (1)
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CN201610718000.4A CN107778307B (en) | 2016-08-24 | 2016-08-24 | Preparation method of central alpha 2 adrenoreceptor agonist |
Publications (2)
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CN107778307A CN107778307A (en) | 2018-03-09 |
CN107778307B true CN107778307B (en) | 2021-05-28 |
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CN201610718000.4A Active CN107778307B (en) | 2016-08-24 | 2016-08-24 | Preparation method of central alpha 2 adrenoreceptor agonist |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07258251A (en) * | 1994-03-17 | 1995-10-09 | Taiyo Yakuhin Kogyo Kk | Production of tizanidine |
JPH07267950A (en) * | 1994-03-30 | 1995-10-17 | Toyo Pharma- Kk | Production of 5-chloro-n-(4,5-dihydro-1h-imidazol-2-yl)-2,1,3-benzothiadiazole-4-amine or its acid-added salt |
JPH08176150A (en) * | 1994-12-19 | 1996-07-09 | Y I C:Kk | Production of 5-chloro-4-(2-imidazolin-2-ylamino)-2,1,3-benzothiadiazole or its salt |
WO2002076950A2 (en) * | 2001-03-21 | 2002-10-03 | Allergan, Inc. | Imidiazole derivatives and their use as agonists selective at alpha 2b or 2b/2c adrenergic receptors |
US6569884B2 (en) * | 1994-07-11 | 2003-05-27 | Allergan | Conformationally rigid bicyclic and adamantane derivatives useful as α2-adrenergic blocking agents |
RU2253653C2 (en) * | 2003-02-28 | 2005-06-10 | Российская Федерация в лице Федерального государственного унитарного предпрятия "Центр по химии лекарственных средств" (ФГУП ЦХЛС-ВНИХФИ) | Method for production of 5-chloro-4-[(2-imidazoline-2-yl)amino]-2,1,3-benzothiadiazole hydrochloride |
CN102140095A (en) * | 2010-12-30 | 2011-08-03 | 常州亚邦制药有限公司 | Green new process for preparing tizanidine hydrochloride |
-
2016
- 2016-08-24 CN CN201610718000.4A patent/CN107778307B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07258251A (en) * | 1994-03-17 | 1995-10-09 | Taiyo Yakuhin Kogyo Kk | Production of tizanidine |
JPH07267950A (en) * | 1994-03-30 | 1995-10-17 | Toyo Pharma- Kk | Production of 5-chloro-n-(4,5-dihydro-1h-imidazol-2-yl)-2,1,3-benzothiadiazole-4-amine or its acid-added salt |
US6569884B2 (en) * | 1994-07-11 | 2003-05-27 | Allergan | Conformationally rigid bicyclic and adamantane derivatives useful as α2-adrenergic blocking agents |
JPH08176150A (en) * | 1994-12-19 | 1996-07-09 | Y I C:Kk | Production of 5-chloro-4-(2-imidazolin-2-ylamino)-2,1,3-benzothiadiazole or its salt |
WO2002076950A2 (en) * | 2001-03-21 | 2002-10-03 | Allergan, Inc. | Imidiazole derivatives and their use as agonists selective at alpha 2b or 2b/2c adrenergic receptors |
RU2253653C2 (en) * | 2003-02-28 | 2005-06-10 | Российская Федерация в лице Федерального государственного унитарного предпрятия "Центр по химии лекарственных средств" (ФГУП ЦХЛС-ВНИХФИ) | Method for production of 5-chloro-4-[(2-imidazoline-2-yl)amino]-2,1,3-benzothiadiazole hydrochloride |
CN102140095A (en) * | 2010-12-30 | 2011-08-03 | 常州亚邦制药有限公司 | Green new process for preparing tizanidine hydrochloride |
Non-Patent Citations (4)
Title |
---|
Analogs of UK 14,304: structural features responsible for α2 adrenoceptor activity;Munk, S. A.,et al.;《Bioorganic & Medicinal Chemistry Letters》;19951231;第5卷(第15期);第1745-1750页 * |
盐酸替扎尼定的合成;徐加,等;《中国医药工业杂志》;20051231;第36卷(第10期);第593-595页 * |
盐酸替扎尼定的合成工艺研究;李福男,等;《延边大学学报(自然科学版)》;20011231;第27卷(第4期);第277-278页 * |
盐酸替扎尼定的合成改进;吴贝,等;《中国新药杂志》;20061231;第15卷(第8期);第621-623页 * |
Also Published As
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CN107778307A (en) | 2018-03-09 |
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