Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
12BETA-HYDROXYPREGNA-1,4-DIEN-3-ONE-20ALPHA-CARBALDEHYDE AND ITS PREPARATION
Document Type and Number:
Japanese Patent JPS58204000
Kind Code:
A
Abstract:

NEW MATERIAL:12β-Hydroxypregna-1,4-dien-3-one-20α-carbaldehyde of formula I .

USE: Useful as a synthetic raw material of corticoid steroid such as prednisolone, etc. useful as an antiphlogistic agent.

PROCESS: The compound of formula I can be prepared by culturing a bacterial strain capable of producing 12β-hydroxypregna-1,4-dien-3-one-20α-carbaldehyde using the deoxycholic acid of formula II (R is H, alkali metal or alkaline earth metal) and/or its salt as a substrate and belonging to Alcaligenes genus [e.g. Alcaligenes faecalis D4020-K15 (FERM-P No.204) which is a mutant of Alcaligenes faecalis D4020 (FERM-P No.182)] in a medium containing the compound of formula II.


Inventors:
HARADA HIDEMI
FUMINO MASAYASU
TSUJI MASAO
ICHIHARA YOSHIHIRO
Application Number:
JP8704782A
Publication Date:
November 28, 1983
Filing Date:
May 21, 1982
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KURARAY CO
International Classes:
C12P33/16; C07J9/00; C12P33/02; C12R1/05; (IPC1-7): C07J9/00; C12P33/02; C12P33/16
Attorney, Agent or Firm:
Honda Ken