METHOD FOR PREPARING 17.ALPHA.-ACETOXY-11.BETA.-(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-11.BETA.-(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: RAO, PEMMARAJU N, KIM, HYUN K, SIMMONS, ANNE-MARIE
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
STEROIDS
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Zusammenfassung:Methods for the preparation of the 19-norprogesterone of formula I and its intermediates, in crystalline and amorphous forms.