PROCESS FOR PREPARING 11 -METHYLENE-18-METHYL-ESTR-4-EN-3, 17- DIONE, USEFUL AS INTERMEDIATE COMPOUND FOR THE SYNTHESIS OF MOLECULES HAVING A PHARMACOLOGICAL ACTIVITY
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Abstract
There is described a process for the industrial synthesis of 11-methylene-18- methyl-estr-4-en-3, 17-dione, a compound having the structure formula (I) depicted below: (Formula I) (I) useful as intermediate compound in the synthesis of the progestin compounds Desogestrel and Etonogestrel.
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| Patent Owner | Address |
|---|---|
| IND CHIMICA SRL | ITITALY MILAN |
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| Inventor Name | Address |
|---|---|
| LENNA ROBERTO | VIA ZARA 2 20010 S GIORGIO SU LEGNANO 20010 |
| VANOSSI ANDREA | I-22046 MERONE |
| MARIANI EDOARDO | C/O CHIESI FARMACEUTICI S P A VIA PALERMO 26/A 43122 PARMA 43122 |
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