Studies on the Reactive Species in Fluoride-Mediated Carbon−Carbon Bond-Forming Reactions: Carbanion Formation by Desilylation with Fluoride and Enolates
作者:Margaret M. Biddle、Hans J. Reich
DOI:10.1021/jo0522409
日期:2006.5.1
bond-forming reactions was investigated. The regio- and diastereoselectivities of silanes reacting with cyclohexenone in the presence of a catalytic amount of fluoride was compared to the reactivity of analogous solvent-separated lithium ion pairs. Closely analogous behavior was observed, showing that carbanions and not siliconate complexes are the reactive species in the fluoride-catalyzed reactions. Spectroscopic