申请人:Nisshin Flour Milling Co., Ltd.
公开号:US04886803A1
公开(公告)日:1989-12-12
Compounds are described of formula (I) ##STR1## wherein R.sup.1 is a hydrogen atom, an alkyl group, an alkoxy group, a dialkylamino group or a halogen atom; n is 1 to 4; R.sup.2 is a hydrogen atom, an alkyl group, an unsubstituted or substituted aminoalkyl group, an acyl group, an unsubstituted or substituted aralkyl group, a carboxyalkyl group, an alkoxycarbonyalkyl group or ##STR2## wherein X is an unsubstituted or substituted-phenyl, -benzyl, -benzoyl or -furoyl group; A is -NR.sup.3 - where R.sup.3 is hydrogen or alkyl, an alkylene or an alkylidene; and B is a heterocyclic group selected from triazolyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, benzimidazolyl, benzothiazolyl, quinolyl and isoquinolyl, said heterocyclic group being optionally substituted by one or more alkyl, alkoxy, nitro or phenyl group, and the physiologically acceptable acid addition salts thereof. The compound of formula (I) are or cardiotonic activity and thus may be useful for the treatment of circulatory diseases.
化合物具有式(I)的结构 ##STR1## 其中R1是一个氢原子、一个烷基、一个烷氧基、一个二烷基氨基或一个卤素原子;n是1到4;R2是一个氢原子、一个烷基、一个未取代或取代的氨基烷基、一个酰基、一个未取代或取代的芳烷基、一个羧基烷基、一个烷氧羰基烷基或 ##STR2## 其中X是一个未取代或取代的苯基、苄基、苯甲酰基或呋喃酰基;A是-NR3-,其中R3是氢或烷基、一个亚烷基或一个次烷基;B是一个杂环基团,选自三唑基、吡啶基、吡啶嗪基、嘧啶基、吡嗪基、苯并咪唑基、苯并噻唑基、喹啉基和异喹啉基,该杂环基团可选择性地被一个或多个烷基、烷氧基、硝基或苯基取代,以及它们的生理上可接受的酸加成盐。式(I)的化合物具有强心活性,因此可能对治疗循环系统疾病有用。