Process for preparing Estrogen-antagonistic 11 beta-Fluoro-17alpha-alkylestra-1,3,5(10)-triene-3,17-diols having a 7alpha-(xi-Alkylamino-omega-perfluoroalkyl)alkyl side chain and alpha-Alkyl(amino)-omega-perfluoro(alkyl)alkanes and Processes for their Preparation
Process for preparing Estrogen-antagonistic 11 beta-Fluoro-17alpha-alkylestra-1,3,5(10)-triene-3,17-diols having a 7alpha-(xi-Alkylamino-omega-perfluoroalkyl)alkyl side chain and alpha-Alkyl(amino)-omega-perfluoro(alkyl)alkanes and Processes for their Preparation
申请人:SANDER Michael
公开号:US20090062558A1
公开(公告)日:2009-03-05
The present invention relates to a new process for preparing estrogen-antagonistic 11β-fluoro-17α-alkylestra-1,3,5(10)-triene-3,17-diols of the general formula I having a 7α-(ξ-alkylamino-ω-perfluoroalkyl)alkyl side chain and to α-alkyl(amino)-ω-perfluoro(alkyl)alkanes of the general formula II, to processes for their preparation and to the intermediates required for this purpose.