Selective synthesis of multisubstituted olefins utilizing gem - And vic -diborylated vinylsilanes prepared by silylborylation of an alkynylboronate and diborylation of alkynylsilanes

Article abstract of DOI:10.1021/jo4024057

The synthesis of a series of gem- and vic-diborylated vinylsilanes was accomplished via highly selective transition-metal-catalyzed syn-dimetalation to the alkynylmetal species. This protocol served as a general synthetic method toward regio- and stereode