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.
式中的化合物:##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各自是取代基;R.sub.3是氢原子,烷基,或烷氧基;R.sub.4是苯基,苯基烷基,苯基烯基,二苯甲基,萘基,噻唑基,可选择取代的吡啶基,可选择取代的嘧啶基,喹啉基,苯甲酰基烷基,苯甲酰基,呋喃基,硫代呋喃基,苯氧羰基,苯氧基磺酰基,或苯基磺酰基;a为2或3,b和c各为1或2,d为0到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,以及含有相同的药物组合物。这些化合物及其盐显示出强大的钙拮抗活性,并且对于预防和治疗高血压和/或缺血性心脏病是有用的。