<i>ortho</i>-Dialkylamino arylboranes as efficient reagents for difluorocarbene trapping

Abstract

Compounds bearing ortho-oriented dialkylamino and boryl groups can serve as efficient reagents to trap difluorocarbene leading to zwitterionic ammonium borates featuring N-CF₂-B fragments. The reagents are shelf-stable and can be used as mechanistic probes for reactions proceeding via difluorocarbene.