发明名称 PROCESS FOR PREPARING NEW 1,4-DIHYDROPYRIDINES
摘要 The present invention relates to 1,4-dihydropyridines of the formula I <IMAGE> (I) and their tautomers, wherein R1 represents an aryl radical, R2 and R3 independently of one another represents hydrogen or a hydrocarbon radical, R4 represents an alkyl, aryl or aralkyl radical, R5 denotes an alkoxy radical, which is optionally substituted by an amino group, or denotes an amino group and n is 1 or 2, especially to the 2,6-dimethyl-3-carbomethoxy-5-methylsulphonyl-4-(2-trifluoromethylphen yl)-1,4-dihydro-pyridine and to the 2,6-dimethyl-3-carbomethoxy-5-methylsulphonyl-4-(2-nitrophenyl)-1,4-di hydropyridine.
申请公布号 HU171870(B) 申请公布日期 1978.04.28
申请号 HU1975CI01583 申请日期 1975.06.03
申请人 CIBA-GEIGY AG,CH 发明人 HABICHT,ERNST,CH;KUEHNIS,HANS,CH
分类号 A61K31/455;A61P9/08;A61P9/12;C07D211/02;C07D211/84;C07D211/90 主分类号 A61K31/455
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