Iridium(III)-Catalyzed Regioselective Carbenoid Insertion C-H Alkylation by α-Diazotized Meldrum's Acid
作者:Honggui Lv、William L. Xu、Kunhua Lin、Jingjing Shi、Wei Yi
DOI:10.1002/ejoc.201601212
日期:2016.12
straightforward protocol for IrIII-catalyzed regioselective carbenoid insertion C–H alkylation mediated by α-diazotized Meldrum's acid was developed. The assistance of external additives and oxidants was not needed, and the developed IrIII catalysis proceeds in a highly efficient manner (e.g., mild reaction conditions, short reaction times and excellent regioselectivity) and demonstrates good compatibility
开发了一种实用且直接的协议,用于由 α-重氮化的 Meldrum 酸介导的 IrIII 催化的区域选择性卡宾插入 C-H 烷基化。不需要外部添加剂和氧化剂的帮助,所开发的 IrIII 催化以高效的方式进行(例如,温和的反应条件、短的反应时间和出色的区域选择性),并与几种特殊底物(例如有价值的 N- (2-嘧啶基)吲哚、苯基吡啶和市售药物依达拉奉及其类似物,从而为之前快速构建相应烷基化产物的方法提供了很好的补充。