Title:
17ALFA, 21-DIHYDROXYPREGNENE ESTERS AS ANTIANDROGENIC AGENTS
Document Type and Number:
WIPO Patent Application WO/2003/014141
Kind Code:
A1
Abstract:
17$g(a),21-Dihydroxypregna-4,9-diene-3,20-dione and 17$g(a),21-dihydroxypregna-4-ene-3,20-dione 17 and/or 21 esters of having remarkable antiandrogenic activity, and the processes for the preparation thereof.
Inventors:
AJANI MAURO (IT)
MORO LUIGI (IT)
MORO LUIGI (IT)
Application Number:
PCT/EP2002/008226
Publication Date:
February 20, 2003
Filing Date:
July 24, 2002
Export Citation:
Assignee:
COSMO SPA (IT)
AJANI MAURO (IT)
MORO LUIGI (IT)
AJANI MAURO (IT)
MORO LUIGI (IT)
International Classes:
A61P5/24; A61P13/08; A61P15/00; A61K31/573; A61P15/16; A61P17/00; A61P17/08; A61P17/10; A61P17/14; A61P35/00; C07J5/00; (IPC1-7): C07J5/00; A61K31/573; A61P15/16
Foreign References:
| US3152154A | 1964-10-06 | |||
| US2985650A | 1961-05-23 | |||
| US4670427A | 1987-06-02 |
Other References:
BIOLLAZ, M.; ET AL.: "Reaktionen von Steroiden mit Dialkylaminoschwefeltrifluoriden", HELVETICA CHIMICA ACTA, vol. 60, no. 8, 1077, pages 2703 - 2710, XP009000425
ANNEN, K.; ET AL.: "17-Pivalate in der Pregnanreihe", LIEBIGS ANN. CHEM., 1983, pages 705 - 711, XP001119196
ANNEN, K.; ET AL.: "17-Pivalate in der Pregnanreihe", LIEBIGS ANN. CHEM., 1983, pages 705 - 711, XP001119196
Attorney, Agent or Firm:
Bianchetti, Giuseppe (8 Milano, IT)
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