作者:Ya-Wei Li、Hong-Xing Zheng、Bo Yang、Xiang-Huan Shan、Jian-Ping Qu、Yan-Biao Kang
DOI:10.1021/acs.orglett.0c01615
日期:2020.6.5
A transition-metal-free indole synthesis using radical coupling of 2-halotoluenes and imines via the later-stage C–N bond construction was reported for the first time. It includes an aminyl radical generation by C–H cleaving addition of 2-halotoluenes to imines via the carbanion radical relay and an intramolecular coupling of aryl halides with aminyl radicals. One standard condition can be used for
首次报道了使用2-卤代甲苯和亚胺通过后期的C-N键结构进行自由基偶联的无过渡金属吲哚合成方法。它包括通过碳氢自由基中继基团通过CH裂解加成亚胺基的2-卤代甲苯和氨基卤化物与胺基自由基的分子内偶联而产生的胺基自由基。一个标准条件可用于所有卤化物,包括F,Cl,Br和I。不需要额外的氧化剂或过渡金属。