Stereospecific synthesis of 1,5-dien-3-ynes and 1,3,5-trienes application to the stereochemical identification of trienic sex pheromones
作者:Frédérique Tellier、Charles Descoins、Raymond Sauvêtre
DOI:10.1016/s0040-4020(01)81934-7
日期:1991.9
A one-pot stereospecific synthesis of 1,5-dien-3-ynes (Z) or (E) is described, based upon a palladium-catalyzed cross-coupling reaction between butenynylzinc bromide, generated in situ from 1,1-difluoroethylene, and an adequate iodoalkene. These dienynes are converted into the corresponding trienic compounds by (Z) semi-hydrogenation.