- Process for the preparation of Drospirenone
-
A process for the preparation of Drospirenone (I) according to the following scheme wherein the substituent R is defined in the description. The process improves the product yield and purity by reducing the formation of undesired side-products and is particularly convenient for industrial-scale manufacturing.
- -
-
Page/Page column 11
(2009/02/10)
-
- Process for the preparation of drospirenone
-
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 5,6beta-epoxy-7beta-hydroxy-15beta,16beta-methylene-3beta-pivaloyloxy-5beta-androstan-17-one.
- -
-
Page/Page column 6-7
(2008/06/13)
-
- A process for the preparation of drospirenone
-
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 5,6β-epoxy-7β-hydroxy-15β,16β-methylene-3β-pivaloyloxy-5β-androstan-17-one.
- -
-
Page/Page column 4; 9; 14
(2010/02/13)
-