Method for preparing 17 alpha-acetoxy-11beta-(4-N,N-dimethylaminophenyl)-19-norpregna-4,9-diene-3,20-dione, intermediates thereof, and methods for the preparation of such intermediates

Method for preparing 17 alpha-acetoxy-11beta-(4-N,N-dimethylaminophenyl)-19-norpregna-4,9-diene-3,20-dione, intermediates thereof, and methods for the preparation of such intermediates

Methods for the preparation of the 19-norprogesterone of formula I and its intermediates, in crystalline and amorphous forms.

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Bibliographische Detailangaben
Hauptverfasser: ANNE-MARIE SIMMONS, HYUN K. KIM, PEMMARAJU N. RAO
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
STEROIDS
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Beschreibung
Zusammenfassung:Methods for the preparation of the 19-norprogesterone of formula I and its intermediates, in crystalline and amorphous forms.