Process for the preparation of drospirenone

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United States of America Patent

PATENT NO 9695213
APP PUB NO 20160002284A1
SERIAL NO

14768659

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Abstract

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A process is described wherein, by employing 17α-(3-hydroxypropyl)-6β,7β;15β,16β-dimethylene-5β-androstane-3β,5,17β-triol (II) as starting product, in a single stage reaction there is obtained drospirenone, (I), a synthetic steroid with progestogenic, antimineralocorticoid and antiandrogenic action, that is useful for preparing pharmaceutical compositions with contraceptive action.

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Patent Owner(s)

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INDUSTRIALE CHIMICA S R L20145 MILANO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barbieri, Francesco Bovision Masciago, IT 9 16
Lenna, Roberto S. Giorgio Su Legnano, IT 29 20
Luoni, Maria Giovanna Cardano Al Campo, IT 2 0
Rewinkel, Johannes Bernardus Maria Berghem, NL 24 138

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