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Title:
【発明の名称】16α―メチル化方法
Document Type and Number:
Japanese Patent JPH085910
Kind Code:
B2
Abstract:
Process for the production of a DELTA <17(20)>-steroid of formula (II) which comprises starting with a 16-unsaturated corticoid of formula (I) and contacting the 16-unsaturated corticoid (I) with a methylating agent in the presence of a copper catalyst and a silylating agent.

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Inventors:
Van Reinen, Verlan H.
Hoover, Joel Yee
Application Number:
JP50319787A
Publication Date:
January 24, 1996
Filing Date:
May 21, 1987
Export Citation:
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Assignee:
The Up John Company
International Classes:
B01J27/055; B01J27/122; B01J27/26; B01J31/04; C07B61/00; C07J5/00; C07J13/00; C07J51/00; C07J71/00; C07J75/00; (IPC1-7): C07J75/00; C07J51/00
Domestic Patent References:
JPS611699A1986-01-07
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)



 
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