发明名称 |
METHOD FOR PRODUCTION OF 3-ETHYL-5-METHYL-(<EMI ID=0.327 HE=3 WI=3 TI=CHI>)2/(2-AMINOETHOXY)-METHYL-4-(2-CHLOROPHENYL)-1,4- -DIHYDRO-6-METHYL-3,5-PYRIDINE CARBOXYLATE MONOBENZOATE AND INTERMEDIATE FOR THEM |
摘要 |
FIELD: medicine, as antiischemic and antihypertension agent. SUBSTANCE: 3-ethyl-5-methyl-(<EMI ID=0.328 HE=3 WI=3 TI=CHI>)2-/2-(N-triphenylmethylamino)- -ethoxymethyl/-4-2(-chlorophenyl)1,4- dihydro-6-methyl-3,5-pyridine dicarboxylate is used as reagent 1, benzene sulfoacid being used as reagent 2. Reaction is carried out in methanol or in aqueous-methanol medium at temperature from 20 C to boiling point. Melting point of desired compound is 201 C. EFFECT: improved efficiency. 3 clx
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申请公布号 |
RU2105759(C1) |
申请公布日期 |
1998.02.27 |
申请号 |
RU19930052391 |
申请日期 |
1993.11.25 |
申请人 |
LEK, TOVARNA FARMATSEVTSKIKH IN KEMICHNIKH IZDELKO;V D D LJUBLJANA |
发明人 |
BORUT FURLAN;ANTON CHOPAR;ALENKA JERIKHA;BORUT FURLAN;ANTON CHOPAR;ALENKA JERIKHA |
分类号 |
A61K31/44;A61K31/4422;A61P9/10;A61P9/12;C07D211/90;(IPC1-7):C07D211/90 |
主分类号 |
A61K31/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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