Stereoselective synthesis of allylic boronates via palladium-catalyzed cross-coupling reaction of Knochel's (dialkoxyboryl) methylzinc reagents with 1-halo-1-alkenes
作者:Takeo Watanabe、Norio Miyaura、Akira Suzuki
DOI:10.1016/0022-328x(93)83081-6
日期:1993.2
The cross-coupling reaction of (dialkoxyboryl)methylzinc reagents IZnCH2B(OR)2 with 1-halo-1-alkenes was catalysed by triphenyl-phosphine- or triphenylarsine-based palladium complexes to provide esters of stereodefined allylboronic acids with stereoselectivity. The reaction was applied to provide a cyclic alcohol via the first intramolecularallylboration of carbonyl.