发明名称 |
Process for preparing 17,20-epoxy steroids |
摘要 |
A compound of the formula <IMAGE> I wherein R is=0 or <IMAGE> and the rings A and B are selected from the group consisting of <IMAGE> <IMAGE> <IMAGE> and <IMAGE> K is oxo or a protector group of oxo of the formula <IMAGE> n is 2 or 3 and R1 is an ether or ester remainder, K' is oxo or a protector oxime, hydrazone or semicarbazone group and the wavy lines symbolize an isomer mixture, a process for their preparation and their use as intermediates.
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申请公布号 |
US5504203(A) |
申请公布日期 |
1996.04.02 |
申请号 |
US19950401426 |
申请日期 |
1995.03.09 |
申请人 |
ROUSSEL UCLAF |
发明人 |
BUENDIA, JEAN;CHAUVIN, REMI;VIVAT, MICHEL |
分类号 |
A61K31/58;C07J5/00;C07J7/00;C07J21/00;C07J41/00;C07J75/00;(IPC1-7):C07J1/00 |
主分类号 |
A61K31/58 |
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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