7.alpha.-acylthio-9.alpha.,11.alpha.-epoxy-20-spirox-4-ene-3,21-diones of the formula I ##STR1## in which R represents lower alkanoyl and --A--A-- represents an ethylene or cyclopropylene group, have a high aldosterone-antagonistic activity without significant sexually-specific side-effects and can be used as potassium-protecting diuretics in the treatment of various forms of hyperaldosteronism. The compounds can be obtained by conventional processes of steroid chemistry.
公式I中的7.alpha.-acylthio-9.alpha.,11.alpha.-epoxy-20-spirox-4-ene-3,21-diones,其中R代表低碳酰基,--A--A--代表
乙烯基或
环丙烷基,具有高
醛固酮拮抗活性,没有明显的性别特异性副作用,并可用作保
钾利尿剂治疗各种高
醛固酮血症。这些化合物可以通过类
固醇化学的常规过程获得。