Preparation and functionalization of an alkenylcopper reagent formed by the syn addition of (dialkoxyphosphinyl)difluoromethylcopper to hexafluoro-2-butyne
Preparation and functionalization of an alkenylcopper reagent formed by the syn addition of (dialkoxyphosphinyl)difluoromethylcopper to hexafluoro-2-butyne
作者:Ranil D. Guneratne、Donald J. Burton
DOI:10.1016/s0022-1139(99)00020-2
日期:1999.8
(Dialkoxyphosphinyl)difluoromethylcopper, readily prepared from dialkyl bromodifluoromethylphosphonate, undergoes facile, stereospecific, syn addition to hexafluoro-2-butyne, to form the cis alkenylcopper reagent in good yield. This intermediate can be functionalized with electrophiles, such as aryl, alkyl, and alkenyl halides. (C) 1999 Elsevier Science S.A. All rights reserved.