C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
C07J 71/00 (2006.01) A61K 31/585 (2006.01) C07J 53/00 (2006.01) C12P 33/20 (2006.01) C07J 21/00 (2006.01)
Patent
CA 2498634
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 5,6.beta.-epoxy-7.beta.-hydroxy-15.beta.,16.beta.-methylene-3.beta.- pivaloyloxy-5.beta.-androstan-17- one.
Constantino Francesca
Lenna Roberto
Piuri Silvia
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Industrial Chimica S.r.l. (italian Limited Liability Company)
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