(E)-(2-Bromoethenyl)dibromoborane, prepared readily by the bromoboration of acetylene with tribromoborane, can be used as an effective precursor for the stereoselective synthesis of (E)-1,2-disubstituted ethenes.
(E)-(2-
溴乙烯基)二
溴硼烷很容易通过
乙炔与三
溴硼烷的
溴化反应制备,可用作立体选择性合成(E)-1,2-二取代
乙烯的有效前体。