| 发明名称 |
11 beta -Difluoromethyl and (E)- and (Z)-11-fluoromethylene steriods |
| 摘要 |
Known reactions are arranged in a novel manner to produce 11 beta -difluoromethyl and (E)- and (Z)-11-fluoromethylene 19-norandrostenediones and 19-nor-13 beta -ethylandrostenediones which are useful as contraceptive agents.
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| 申请公布号 |
US4557867(A) |
申请公布日期 |
1985.12.10 |
| 申请号 |
US19840639285 |
申请日期 |
1984.08.08 |
| 申请人 |
THE UPJOHN COMPANY |
发明人 |
CAMPBELL, J. ALLAN |
| 分类号 |
C07J1/00;C07J11/00;C07J21/00;C07J33/00;(IPC1-7):C07J33/00 |
主分类号 |
C07J1/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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