PRODUCTION OF STEROID

PURPOSE:To obtain a steroid intermediate for a remedy for a pimple, etc., in high yield by enoletherifying the carbonyl of 20-spirox-4-en-3,21-dione at the 3-position, reducing and subjecting the lactone ring to ring opening, subjecting the resultant compound to ring closure and dehydrogenating it....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KINUGASA KAZUNARI, YAMAGUCHI RYOZO
Format: Patent
Sprache:eng
Schlagworte:
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