申请人:Dainippon Pharmaceutical Co., Ltd.
公开号:US04749703A1
公开(公告)日:1988-06-07
Compounds of the formula: ##STR1## wherein A means an alkylene; Y--Z means ##STR2## --CH.dbd.CH--, --CH.sub.2 CH.sub.2 --, or ##STR3## R.sub.1 and R.sub.2 are each a substituent; R.sub.3 is hydrogen atom, alkyl, or alkoxy; R.sub.4 is phenyl, phenylalkyl, phenylalkenyl, diphenylmethyl, naphthyl, thiazolyl, optionally substituted pyridyl, optionally substituted pyrimidinyl, quinolyl, benzoylalkyl, benzoyl, furoyl, thenoyl, phenyloxycarbonyl, phenyloxysulfonyl, or phenylsulfonyl; a is 2 or 3, b and c are each 1 or 2, and d is an integer of 0 to 2, provided that the phenyl, phenyl moiety and naphthyl may optionally be substituted, and a pharmaceutically acceptable salt thereof, process for the preparation thereof, and pharmaceutical composition containing the same. The compounds and salt thereof show potent calcium antagonistic activity and are useful for prophylaxis and treatment of hypertension and/or ischemic heart disease.
分子式为:##STR1## 其中A表示烷基;Y--Z表示##STR2## --CH.dbd.CH--, --CH.sub.2 CH.sub.2 --, 或 ##STR3## R.sub.1和R.sub.2分别表示取代基;R.sub.3表示氢原子、烷基或烷氧基;R.sub.4表示苯基、苯基烷基、苯基烯基、二苯甲基、萘基、噻唑基、可选取代吡啶基、可选取代嘧啶基、喹啉基、苯甲酰基烷基、苯甲酰基、呋喃基、硫代苯甲酰基、苯氧羰基、苯氧磺酰基或苯基磺酰基;a为2或3,b和c分别为1或2,d为0至2的整数,但苯基、苯基基团和萘基可以选择性地被取代,以及其药学上可接受的盐,其制备方法和包含其的制药组合物。该化合物及其盐具有强大的钙拮抗作用,可用于预防和治疗高血压和/或缺血性心脏病。