Title:
PREPARATION OF STEROIDS HAVING 3-ENOLACYLOXY GROUP AND 17-ACETAL GROUP
Document Type and Number:
Japanese Patent JPS543052
Kind Code:
A
Abstract:
PURPOSE: To prepare the title compound by enol-acylating 4-en-3-on-17-carbonylsteroids with acid anhydride in the presence of an acidic catalyst, and then reacting with ortho-formate and an alcohol to convert the 17-position group to 17acetal.
Inventors:
SUGANO SUSUMU
HARUYAMA TOSHIO
KANNO MAMORU
HARUYAMA TOSHIO
KANNO MAMORU
Application Number:
JP6747377A
Publication Date:
January 11, 1979
Filing Date:
June 08, 1977
Export Citation:
Assignee:
MITSUBISHI CHEM IND
International Classes:
C07J1/00; (IPC1-7): C07J1/00
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