Access to Functionalized <i>E</i>-Allylsilanes and <i>E</i>-Alkenylsilanes through Visible-Light-Driven Radical Hydrosilylation of Mono- and Disubstituted Allenes
作者:Yanyao Cai、Wenxuan Zhao、Shaozhong Wang、Yong Liang、Zhu-Jun Yao
DOI:10.1021/acs.orglett.9b03679
日期:2019.12.20
visible-light-driven radical hydrosilylation of allene has been achieved by using eosin Y as the photocatalyst, with thiol and base as additives. Depending on allenes, two types of adducts with E-selectivity were obtained. It was demonstrated that monosubstituted nonarylated allenes reacted to give linear E-allylsilanes, while 1,3-disubstituted electron-deficient allenes afforded E-alkenylsilanes. A radical mechanism