| 发明名称 |
Preparation of DELTA 9(11) steroid |
| 摘要 |
A process for the preparation of a compound of the formula <IMAGE> I comprising reacting a compound of the formula <IMAGE> II with chlorosulfonic in an organic solvent wherein the reaction is effected at -20 DEG C. to -10 DEG C. and the temperature is then allowed to rise to 0 DEG C. to 5 DEG C.
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| 申请公布号 |
US5399727(A) |
申请公布日期 |
1995.03.21 |
| 申请号 |
US19930071501 |
申请日期 |
1993.06.02 |
| 申请人 |
ROUSSEL-UCLAF |
发明人 |
BUENDIA, JEAN;ROUSSEL, PATRICK;VIVAT, MICHEL |
| 分类号 |
C07J3/00;C07J41/00;C07J75/00;(IPC1-7):C07J3/00 |
主分类号 |
C07J3/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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