A new approach to synthesis of gem-difluorocyclopropanes substituted with electron withdrawing group
作者:Andrzej Jończyk、Grzegorz Kaczmarczyk
DOI:10.1016/0040-4039(96)00739-3
日期:1996.6
gem-Dichlorocyclopropanes 1 react with tetra-n-butylammonium fluoride trihydrate in DMF or with potassium fluoride and tetra-n-butylammonium hydrogen sulphate in acetonitrile/water mixture, to afford gem-difluorocyclopropanes 2, in moderate yields.