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NEWCHEM S.P.A.
| NEWCHEM S.P.A. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100222571 | PROCESS FOR THE PREPARATION OF DROSPIRENONE - A process for the preparation of Drospirenone (I) according to the scheme (A) 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. | 09-02-2010 |