PROCESSING FOR PRODUCING OF DROSPIRENONE (6β, 7β, 15β, 16β-DIMETHYLENE-3-OXO-17α-PREGN-4-EN-21, 17-CARBOLACTONE, DRSP) AS WELL AS 7α-(3-HYDOXY-1-PROPLY)-6β, 7β; 15β, 16β-DIMETHYLENE-5β-ANDROSTANE-3β, 5,17β-TRIOL(ZK 92836) AND 6β, 7β; 15β, 16β-DIMETHYLENE-5β-HYDROXY

Process for the production of drospirenone (6β,7β; 15β,16β-dimethylene-3-oxo-17α-pregn-4-ene-21,17-carbolactone, DRSP) (1) and 7α-(3-hydroxy-1-propyl)-6β,7β; 15β,16β-dimethylene-5β-androstane-3β,5,17β-triol (ZK 92836) and 6β,7β; 15β,16β-dimethylene-5β-hydroxy-3-oxo-17α-androstane-21,17-carbolactone...

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Bibliographic Details
Main Authors Mohr, Jörg-Thorsten, Nickisch, Klaus
Format Patent
LanguageEnglish
Published 23.08.2005
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Summary:Process for the production of drospirenone (6β,7β; 15β,16β-dimethylene-3-oxo-17α-pregn-4-ene-21,17-carbolactone, DRSP) (1) and 7α-(3-hydroxy-1-propyl)-6β,7β; 15β,16β-dimethylene-5β-androstane-3β,5,17β-triol (ZK 92836) and 6β,7β; 15β,16β-dimethylene-5β-hydroxy-3-oxo-17α-androstane-21,17-carbolactone (ZK 90965) as intermediate products of the process.