Process For The Preparation Of Drospirenone
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United States of America Patent
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Issued Date -
Aug 28, 2008
app pub date -
Nov 14, 2005
filing date -
Dec 6, 2004
priority date (Note) -
Abandoned
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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; comprising the oxidation of 17.alpha.-(3-hydroxypropyl)-6.beta.,7.beta.,15.beta.,16.beta.-dimethylene--5.beta.-androstane-3.beta.,5,17.beta.-triol.
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