Photocatalytic Giese‐Type Reaction with Alkylsilicates Bearing C,O‐Bidentate Ligands
作者:Tatsuya Morofuji、Yu Matsui、Misa Ohno、Gun Ikarashi、Naokazu Kano
DOI:10.1002/chem.202005300
日期:2021.4.16
photocatalytic Giese‐type reaction with alkylsilicates bearing C,O‐bidentate ligands as stable alkyl radical precursors has been reported. The alkylsilicates were prepared in one step from organometallic reagents. Not only primary, secondary, and tertiary alkyl radicals, but also elusive methyl radicals, could be generated by using the present reaction system. The generated radicals were trapped by electron‐deficient
在本文中,已经报道了带有C,O-双齿配体的烷基硅酸盐作为稳定的烷基自由基前体的光催化Giese型反应。由有机金属试剂一步制备烷基硅酸盐。使用本反应系统不仅可以生成伯,仲和叔烷基,而且可以生成难以捉摸的甲基。生成的自由基被带有各种官能团的缺电子烯烃捕获,得到所需的烷基加合物。光反应后可以回收硅副产物。通过理论计算研究了自由基的生成过程,从而提供了从带有C,O-双齿配体的甲基硅酸盐轻松生成甲基自由基的见解。