A process is described for preparing drospirenone, a synthetic steroid with progestogenic, antimineralocorticoid and antiandrogenic activity, useful for the preparation of pharmaceutical compositions with contraceptive action, starting from 5,6β-epoxy-7β-hydroxy-15β,16β-methylene-3β-pivaloyloxy-5β-androstan-17-one.
该过程描述了制备Drospirenone的方法,Drospirenone是一种具有孕激素、抗矿皮质激素和抗雄激素活性的合成类
固醇,可用于制备具有避孕作用的药物组合物,起始物为5,6β-环氧-7β-羟基-15β,16β-亚甲基-3β-匹伐酸酯氧基-
5β-雄烷-17-酮。