| 摘要 |
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 5,6beta-epoxy-7beta-hydroxy-15beta,16beta-methylene-3beta-pivaloyloxy-5beta-androstan-17-one.
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