The diels-alder reactivity of some new sulfur (selenium) substituted halobutadienes
作者:Alexander J. Bridges、John W. Fischer
DOI:10.1016/s0040-4039(00)81433-1
日期:1983.1
2-(di)halobutadienes undergo BF3 catalysed cycloadditions with methyl vinyl ketone at 25°C, to give good yields of adducts in which the regiochemistry of addition is mainly controlled by the sulfur (selenium) atom.
3-PhS(e)-(1),2-(di)卤代丁二烯在25°C下与甲基乙烯基酮进行BF 3催化的环加成反应,以提供良好的加合物收率,其中加成的区域化学主要由硫控制(硒)原子。