发明名称 |
PROCESS FOR THE PREPARATION OF DROSPIRENONE |
摘要 |
A process for the preparation of Drospirenone (I) according to the scheme (A) wherein the substituent R is defined in the description. The process improves the product yield and purity by reducing the formation of undesired side-products and is particularly convenient for industrial-scale manufacturing.
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申请公布号 |
US2010222571(A1) |
申请公布日期 |
2010.09.02 |
申请号 |
US20080670065 |
申请日期 |
2008.07.21 |
申请人 |
NEWCHEM S.P.A. |
发明人 |
ANDRIOLO ERIKA;MONTORSI MAURO;RANCAN STEFANO;MARIANI EDOARDO;BANDINI MARCO;CONTENTO MICHELE;UMANI-RONCHI ACHILLE |
分类号 |
C07J21/00;C07J1/00 |
主分类号 |
C07J21/00 |
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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