申请人:Allen & Hanburys Limited
公开号:US04000192A1
公开(公告)日:1976-12-28
Compounds of the formula ##STR1## in which: R.sub.4 and R.sub.5 independently represent hydrogen or lower alkyl; R.sub.6 represents a group Y(CH.sub.2).sub.n, in which n is 2 or 3 and Y represents a straight or branched chain alkyl group containing 5 carbon atoms optionally substituted with one more hydroxy or alkoxy groups or by aryl groups which may, in turn, contain hydroxy or alkoxy substituents; or Y represents a group ZO--, in which Z represents a straight or branched alkyl group containing from 2 to 6 carbon atoms inclusive substituted by one or more alkoxy, hydroxy, or aryloxy groups; or Z represents an aryl group which may, optionally, contain one or more hydroxy or alkoxy substituents; and R.sub.7 represents a straight or branched alkyl group containing from 3 to 6 carbon atoms, inclusive, optionally substituted by an aryl or aryloxy group which aryl or aryloxy group may, in turn be substituted by hydroxy and alkoxy groups And pharmaceutically acceptable salts thereof. These compounds have utility in the treatment of cardiovascular diseases.
化合物的公式为##STR1## 其中:R.sub.4和R.sub.5独立地表示氢或较低的烷基;R.sub.6表示一个Y(CH.sub.2).sub.n基团,其中n为2或3,Y表示一种直链或支链烷基,包含5个碳原子,可选地被一个或多个羟基或烷氧基取代,或者被含有羟基或烷氧基取代的芳基取代,该芳基本身也可以含有一个或多个羟基或烷氧基取代;或者Y表示一个ZO--基团,其中Z表示一种直链或支链烷基,含有2至6个碳原子,可被一个或多个烷氧基,羟基或芳氧基取代;或者Z表示一个芳基,该芳基可选择地含有一个或多个羟基或烷氧基取代;R.sub.7表示一种含有3至6个碳原子的直链或支链烷基,可选择地被一个芳基或芳氧基取代,该芳基或芳氧基本身也可以被羟基和烷氧基取代。以及其药学上可接受的盐。这些化合物在心血管疾病的治疗中具有实用价值。