作者:Masayuki Wasa、Keary M. Engle、Jin-Quan Yu
DOI:10.1021/ja1010866
日期:2010.3.24
using N-arylamide directing groups. Following olefination, the resulting intermediates were found to undergo rapid 1,4-addition to give the corresponding gamma-lactams. Notably, this method was effective with substrates containing alpha-hydrogen atoms and could be applied to effect methylene C-H olefination of cyclopropane substrates.
使用 N-芳基酰胺导向基团开发了第一个 Pd(II) 催化的 sp(3) CH 烯化反应。烯化后,发现所得中间体进行快速 1,4-加成,得到相应的 γ-内酰胺。值得注意的是,该方法对含有 α-氢原子的底物有效,并可用于实现环丙烷底物的亚甲基 CH 烯化。