发明公开
EP0268400A1 Steroidal 17alpha-silyl ethers and process to corticoids and progesterones
失效
Steroide 17-alpha-silyläther-Derivate und Herstellung von Corticoiden und Progesteronen。
- 专利标题: Steroidal 17alpha-silyl ethers and process to corticoids and progesterones
- 专利标题(中): Steroide 17-alpha-silyläther-Derivate und Herstellung von Corticoiden und Progesteronen。
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申请号: EP87309664.8申请日: 1987-11-02
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公开(公告)号: EP0268400A1公开(公告)日: 1988-05-25
- 发明人: Livingston, Douglas Alan , Pearlman, Bruce Allen , Denmark, Scott
- 申请人: THE UPJOHN COMPANY
- 申请人地址: 301 Henrietta Street Kalamazoo, Michigan 49001 US
- 专利权人: THE UPJOHN COMPANY
- 当前专利权人: THE UPJOHN COMPANY
- 当前专利权人地址: 301 Henrietta Street Kalamazoo, Michigan 49001 US
- 代理机构: Perry, Robert Edward
- 优先权: US927633 19861105; US20457 19870302
- 主分类号: C07J51/00
- IPC分类号: C07J51/00 ; C07J41/00 ; C07J5/00 ; C07J7/00 ; C07J71/00
摘要:
17β-Cyano-17α-hydroxy steroids (I) are transformed to 17α-halo silyl ethers (II) which are intermediates useful in the production of progesterones (V), 17-hydroxyprogesterones (VI), corticoids (VII) and 21-halo corticoids (III) which can readily be transformed to corticoids (VII).
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