发明名称 |
FURTHER SYNTHESES OF CYPROTERONE ACETATE |
摘要 |
The present invention relates to improved methods for synthesising cyprotero ne acetate (17.alpha.-Acetoxy-6-chloro-1.alpha., 2.alpha.-methylene-4,6- pregnadiene-3,20-dione) from solasodine. The methods of the invention are shorter as those of the prior art and therefore more economic.
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申请公布号 |
CA2482997(A1) |
申请公布日期 |
2003.11.13 |
申请号 |
CA20032482997 |
申请日期 |
2003.04.14 |
申请人 |
BOEHRINGER INGELHEIM INTERNATIONAL GMBH |
发明人 |
MANOSROI, ARANYA;WERNER, ROLF;SRIPALAKIT, PATTANA;MAIER, ROLAND;MANOSROI, JIRADEJ;BUDDHASUKH, DUANG |
分类号 |
C12P33/02;A61K31/573;A61P5/28;A61P5/34;C07B53/00;C07J7/00;C07J53/00;C07J71/00;C12R1/06;(IPC1-7):C07J53/00 |
主分类号 |
C12P33/02 |
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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