Fluoride Ion-Catalyzed Generation and Carbonyl Addition of α-Halo Carbanions Derived from α-Halo Organosilicon Compounds

Article abstract of DOI:10.1016/S0040-4020(01)86661-8

The title carbanion species are generated from the corresponding α-haloorganosilicon compounds by the action of a catalytic amount of tris(diethylamino)sulfonium difluorotrimethylsilicate and are found to undergo addition to aldehyde carbonyl efficiently at ambient temperature.The synthetic potential of the reaction is demonstrated by application to the synthesis of some insecticides.