发明名称 Method for producing 4,4-dimethyl-3beta-hydroxypregna-8, 14-diene-21-carboxylic acid esters and intermediate products obtained by said method
摘要 The invention relates to a method for representing compounds of the general formula (1). The invention further relates to the hitherto unknown compounds of general formulas (5, 6 and 7) in the form of intermediate products and to the use of 4,4-dimethyl-3beta hydroxypregna-8,14-diene-21-carboxylic acid esters of the general formula (1) for producing 4,4-dimethyl-5alpha-cholesta-8,14,24-triene-3beta-ol (2).
申请公布号 US6653491(B1) 申请公布日期 2003.11.25
申请号 US20010936910 申请日期 2001.09.19
申请人 SCHERING AG 发明人 GEISLER JENS;WINTER ERIC
分类号 C07J1/00;C07J7/00;C07J9/00;C07J13/00;(IPC1-7):C07J13/00 主分类号 C07J1/00
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