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.
化合物的化学式(I)描述如下:##STR1## 其中R.sup.1是氢原子,烷基,烷氧基,二烷基氨基或卤素原子; n为1至4; R.sup.2是氢原子,烷基,未取代或取代的氨基烷基,酰基,未取代或取代的芳基烷基,羧基烷基,烷氧羰基烷基或##STR2##其中X是未取代或取代的苯基,苄基,苯甲酰基或呋喃基; A为-NR.sup.3-,其中R.sup.3是氢或烷基,烷基或烷基亚甲基; B是从三唑基,吡啶基,吡嗪基,嘧啶基,吡咯嗪基,苯并咪唑基,苯并噻唑基,喹啉基和异喹啉基中选择的杂环基,所述杂环基可以选择地被一个或多个烷基,烷氧基,硝基或苯基取代,以及其生理上可接受的酸盐。化学式(I)的化合物具有心力学活性,因此可能有助于治疗循环系统疾病。