N-fluoro-bis[(trifluoromethyl)sulfonyl]imide: Electrophilic fluorination of imines and some methyl-substituted pyridines
作者:Weiwen Ying、Darryl D. DesMarteau、Yoshihiko Gotoh
DOI:10.1016/0040-4020(95)00884-b
日期:1996.1
Direct fluorination of imines with N-fluoro-bis[(trifluoromethyl)sulfonyl]imide 1 afforded mono and/or difluoroketones without the need of a strong base to first generate the imine anions. Structurally related 2- and 4- methyl-substituted pyridines gave the respective fluoromethyl pyridines with 1. Our results suggest that an enamine intermediate plays a key role in these reactions.