| 发明名称 |
PROCESS TO PREPARE 11 beta , 17 alpha ,21-TRIHYDROXY-6 alpha -METHYLPREGNA-1,4-DIENE-3,20-DIONE 21-ACETATE |
| 摘要 |
The present invention is a novel process for the transformation of 11 beta , 17 alpha dihydroxy-6 alpha -methylpregna-1,4-diene-3,20-dione 17-acetate (III), to 11 beta , 17 alpha ,21-trihydroxy-6 alpha -methylpregna-1,4-diene-3,20-dione 21-acetate (VI). |
| 申请公布号 |
WO02102827(A1) |
申请公布日期 |
2002.12.27 |
| 申请号 |
WO2002US16605 |
申请日期 |
2002.06.14 |
| 申请人 |
PHARMACIA & UPJOHN COMPANY;PEARLMAN, BRUCE, A. |
发明人 |
PEARLMAN, BRUCE, A. |
| 分类号 |
C07B61/00;C07J5/00;C07J7/00 |
主分类号 |
C07B61/00 |
| 代理机构 |
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