Process for the preparation of drospirenone
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United States of America Patent
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Jul 19, 2016
Grant Date -
Nov 20, 2014
app pub date -
Nov 21, 2012
filing date -
Nov 22, 2011
priority date (Note) -
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Abstract
It is described of a process for the preparation of drospirenone, the compound of formula 1 shown below, a synthetic steroid with progestogenic, antimineralocorticoid and antiandrogenic activity, useful for preparing pharmaceutical compositions having contraceptive action, starting from 17α-(3-hydroxypropyl)-6β,7β;15β,16β-dimethylene-5β-androstane-3β,5,17β-triol.
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