申请人:CHUGAI SEIYAKU KABUSHIKI KAISHA
公开号:EP1955999A1
公开(公告)日:2008-08-13
There are provided a novel process for producing [(5Z,7E)-(1S,3R,20S)-1,3-dihydroxy-9,10-secopregna-5,7,10(19),16-tetraen-20-yl}oxy]-N-(2,2,3,3,3-pentafluoropropyl)acetamide, which process is shown in the following reaction scheme:
an intermediate useful for carrying out the process, and a process for producing the intermediate.
提供了一种生产[(5Z,7E)-(1S,3R,20S)-1,3-二羟基-9,10-仲孕酮-5,7,10(19),16-四烯-20-基}氧基]-N-(2,2,3,3,3-五氟丙基)乙酰胺的新工艺,该工艺的反应方案如下:
一种用于实施该工艺的中间体,以及一种生产该中间体的工艺。