申请人:Allen & Hanburys Limited
公开号:US04000193A1
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 lowr alkyl; R.sub.6 represents a straight or branched alkyl or alkenyl group containing from 4 to 6 carbon atoms, inclusive, or R.sub.6 represents a straight or branched alkyl group containing from 2 to 6 carbon atoms, inclusive, which alkyl group is substituted by one or more hydroxy, alkoxy or acyloxy groups; or by an aryl group which may be substituted by one or more hydroxy, alkoxy or acyloxy groups as before; and R.sub.7 represents a straight or branched alkyl group containing from 3 to 6 carbon atoms, inclusive, optionally substituted by an alkoxy group or by an aryl or aryloxy group which, alkoxy, aryl or aryloxy group may, in turn be substituted by hydroxy, alkoxy, acetamido or methanesulphonamido groups, And pharmaceutically acceptable salts thereof. These compounds have utility in the treatment of cardiovascular diseases.
公式为:##STR1## 的化合物,其中:R.sub.4和R.sub.5分别表示氢或低碳基;R.sub.6表示直链或支链烷基或烯基,包含4到6个碳原子,或R.sub.6表示直链或支链烷基,含有2到6个碳原子,该烷基被一个或多个羟基,烷氧基或酰氧基取代;或者被一个芳基取代,该芳基可以像之前一样被一个或多个羟基,烷氧基或酰氧基取代;R.sub.7表示含有3到6个碳原子的直链或支链烷基,可选择地被烷氧基或芳基或芳基氧基取代,其中,烷氧基,芳基或芳基氧基可以进一步被羟基,烷氧基,乙酰胺基或甲磺酰胺基取代。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有用。