Process for the preparation of drospirenone
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United States of America Patent
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Jul 24, 2012
Grant Date -
Dec 30, 2010
app pub date -
Aug 4, 2010
filing date -
Dec 6, 2004
priority date (Note) -
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Abstract
A process is described for the preparation of drospirenone, a synthetic steroid with progestogenic, antimineralocorticoid and antiandrogenic activity, useful for preparing pharmaceutical compositions with contraceptive action by the oxidation of 17α-(3-hydroxypropyl)-6β,7β,15β, 16β-dimethylene-5β-androstane-3β,5,17β-triol.
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