申请人:Ciba-Geigy Corporation
公开号:US04017629A1
公开(公告)日:1977-04-12
The present invention relates to 1,4-dihydropyridines of the formula I ##STR1## and their tautomers, wherein R.sub.1 represents an aryl radical, R.sub.2 and R.sub.3 independently of one another represents hydrogen or a hydrocarbon radical, R.sub.4 represents an alkyl, aryl or aralkyl radical, R.sub.5 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-trifluoromethylphenyl)- 1,4-dihydro-pyridine and to the 2,6-dimethyl-3-carbomethoxy-5-methylsulphonyl-4-(2-nitrophenyl)-1,4-dihydr opyridine. They have an antihypertensive activity.
本发明涉及公式I的1,4-二氢吡啶化合物及其互变异构体,其中R.sub.1代表芳基基团,R.sub.2和R.sub.3分别独立地代表氢或烃基团,R.sub.4代表烷基、芳基或芳基烷基,R.sub.5表示烷氧基,该烷氧基可能被氨基取代,或表示氨基,n为1或2,特别是2,6-二甲基-3-羧甲氧基-5-甲磺酰基-4-(2-三氟甲基苯基)-1,4-二氢吡啶以及2,6-二甲基-3-羧甲氧基-5-甲磺酰基-4-(2-硝基苯基)-1,4-二氢吡啶。它们具有降压活性。