Document Type and Number:
Japanese Patent JPH0120876
Kind Code:
B2
Abstract:
1. Process for the manufacture of 12 alpha-hydroxysteroids of the general formula I see diagramm : EP0019162,P3,F1 in which X represents a hydrogen atom or a fluorine atom, R1 represents a hydrogen atom or a methyl group, and R2 represents a hydrogen atom or a hydroxy group, or R1 and R2 together represent an isopropylidenedioxy group, characterised in that a steroid of the general formula II see diagramm : EP0019162,P3,F3 in which X, R1 and R2 have the meanings given above and R3 represents a hydrogen atom or an alkanoyl group having from 1 to 6 carbon atoms, is fermented with a culture of Cercospora kaki (CBS 128 39).
Inventors:
KURAUSU KIISURITSUHI
URURITSUHI KERUPU
URURITSUHI KERUPU
Application Number:
JP6289680A
Publication Date:
April 18, 1989
Filing Date:
May 14, 1980
Export Citation:
Assignee:
SCHERING AG
International Classes:
C07J5/00; C07J71/00; C12P33/06; C12R1/645
Next Patent: JPH0120877