A facile stereoselective synthesis of (E)-1,2-disubstituted vinylstannanes via hydromagnesiation of alkylarylacetylenes
作者:Mingzhong Cai、Jun Xia、Guiqin Chen
DOI:10.1016/j.jorganchem.2004.04.041
日期:2004.8
Hydromagnesiation of alkylarylacetylenes 1 in diethyl ether gave (E)-α-arylvinyl Grignard reagents 2, which reacted with trialkylstannyl chlorides 3 in diethyl ether to afford stereoselectively (E)-1,2-disubstituted vinylstannanes 4 in high yields.
烷基芳基乙炔1在乙醚中的氢磁化反应得到(E)-α-芳基乙烯基格氏试剂2,该试剂与乙醚中的三烷基锡烷基氯3反应,以高产率提供立体选择性(E)-1,2-二取代的乙烯基锡烷4。