Epoxidation of 17-oxo-15,16-Methylene Steroids with Sulfoxonium Ylides

A process for the epoxidation of 17-oxo-15,16-methylene steroids, in particular of drospirenone precursors, comprising the use of sulfoxonium ylides, in particular of dimethylsulfoxonium methyl ylide. The process allows to prepare in good yields 17-spiro epoxides, which can be easily transformed int...

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Bibliographische Detailangaben

Hauptverfasser:	CABRI WALTER, BENEDETTI FABIO, RODRIQUEZ MANUELA, BOTTAI CINZIA, ALPEGIANI MARCO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY ORGANIC CHEMISTRY STEROIDS
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