发明授权
US5760256A Process for the production of 21-acyloxy-4,9
(11),16-pregnatriene-3,20-diones
失效
生产21-酰氧基-4,9(11),16-孕三烯-3,20-二酮的方法
- 专利标题: Process for the production of 21-acyloxy-4,9 (11),16-pregnatriene-3,20-diones
- 专利标题(中): 生产21-酰氧基-4,9(11),16-孕三烯-3,20-二酮的方法
-
申请号: US343048申请日: 1995-02-21
-
公开(公告)号: US5760256A公开(公告)日: 1998-06-02
- 发明人: Francis Brion , Jean Buendia , Christian Diolez , Michel Vivat
- 申请人: Francis Brion , Jean Buendia , Christian Diolez , Michel Vivat
- 申请人地址: FRX
- 专利权人: Roussel Uclaf
- 当前专利权人: Roussel Uclaf
- 当前专利权人地址: FRX
- 优先权: FRX9106202 19910523
- 主分类号: C07J7/00
- IPC分类号: C07J7/00 ; C07J13/00 ; C07J21/00 ; C07J33/00 ; C07J75/00 ; C07J5/00
摘要:
A process for the production of a compound of the formula ##STR1## wherein R.sub.1 is acyl of 1 to 8 carbon atoms,. The compound is formed by the reduction of an intermediary to form an alcohol, epoxidation and hydrolyzation of the alcohol to form a compound of formula ##STR2## followed by the acylation of the hydroxy functions and the elimination of the 17.alpha.-substituent.
公开/授权文献
信息查询