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.
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
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