| 发明名称 |
A PROCESS FOR THE PREPARATION OF 17-HYDROXY-6.BETA.,7.BETA.;15.BETA., 16.BETA.-BISMETHYLENE-17.ALPHA.-PREGN-4-ENE-3-ONE-21-CARBOXYLIC ACID .GAMMA.-LACTONE AND KEY-INTERMEDIATES FOR THIS PROCESS |
| 摘要 |
The invention relates to a process for the preparation of 17-hydroxy- 6.beta.,7.beta.;15.beta.,16.beta.- bismethylene-17.alpha.-pregn-4-ene-3-one- 21- carboxylic acid .gamma.-lactone of formula (I) as well as to key- intermediates for this process.
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| 申请公布号 |
CA2585805(C) |
申请公布日期 |
2009.12.22 |
| 申请号 |
CA20052585805 |
申请日期 |
2005.10.11 |
| 申请人 |
RICHTER GEDEON VEGYESZETI GYAR RT. |
发明人 |
TUBA, ZOLTAN;MAHO, SANDOR;HORVATH, JUDIT;SOROS, BELA;GALIK, GYORGY;BALOGH, GABOR |
| 分类号 |
C07J53/00;C07J1/00 |
主分类号 |
C07J53/00 |
| 代理机构 |
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