发明名称 |
Process for the preparation of 17-hydroxy-6beta,7beta;15beta,16beta-bismethylene-17alpha-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-6beta,7beta;15beta,16beta-bismethylene-17alpha-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 |
US8450476(B2) |
申请公布日期 |
2013.05.28 |
申请号 |
US20050719463 |
申请日期 |
2005.10.11 |
申请人 |
GALIK GYOERGY;HORVATH JUDIT;SOEROES BELA;MAHOE SANDOR;TUBA ZOLTAN;BALOGH GABOR;RICHTER GEDEON NYRT. |
发明人 |
GALIK GYOERGY;HORVATH JUDIT;SOEROES BELA;MAHOE SANDOR;TUBA ZOLTAN;BALOGH GABOR |
分类号 |
C07J53/00;C07J1/00 |
主分类号 |
C07J53/00 |
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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