Gallium (<scp>iii</scp>)-catalysed bromocyanation of alkynes: regio- and stereoselective synthesis of β-bromo-α,β-unsaturated nitriles
作者:Masahito Murai、Ryo Hatano、Sachie Kitabata、Kouichi Ohe
DOI:10.1039/c0cc04385k
日期:——
Treatment of arylacetylenes and cyanogen bromide in ClCH2CH2Cl with a catalytic amount of GaCl3 afforded (Z)-β-bromoacrylonitriles with high regio- and stereoselectivity.
在ClCH2CH2Cl中用催化量的GaCl3处理芳基炔烃和溴化氰,得到了具有高区位选择性和立体选择性的(Z)-β-溴丙烯腈。