PROCESSO PARA A PREPARAÇÃO DE DROSPIRENONA

PROCESSO PARA A PREPARAÇÃO DE DROSPIRENONA

A process for the preparation of Drospirenone (I) according to the following scheme 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 manu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ACHILLE UMANI-RONCHI, ERIKA ANDRIOLO, MARCO BANDINI, MICHELE CONTENTO, STEFANO RANCAN, MAURO MONTORSI, EDOARDO MARIANI
Format: Patent
Sprache:por
Schlagworte:
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
STEROIDS
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Beschreibung
Zusammenfassung:A process for the preparation of Drospirenone (I) according to the following scheme 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.