METHODS FOR THE PREPARATION OF DROSPIRENONE AND INTERMEDIATES THEREOF

The invention relates to a process for the preparation of Drospirenone in high yields and purity starting from a compound of formula 2 wherein R is a hydroxyl protective group as defined in the claims, through a sequence of oxidation, deprotection, lactonization and water elimination steps, and wher...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ANDRIOLO, ERIKA, MONTORSI, MAURO, SCALAPRICE, ROMEO, MARIANI, EDOARDO, ORRU', GIANMAURO, GAMBARIN, LUCA, MERLO, MASSIMO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY METALLURGY ORGANIC CHEMISTRY STEROIDS
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