Chemodivergent Synthesis of Indeno[1,2-<i>b</i>]indoles and Isoindolo[2,1-<i>a</i>]indoles via Mn(III)-Mediated or Electrochemical Intramolecular Radical Cross-Dehydrogenative Coupling
作者:Piao Lu、Weihui Zhuang、Leipeng Lu、Anyi Liu、Yixi Chen、Chenmeng Wu、Xiaofeng Zhang、Qiufeng Huang
DOI:10.1021/acs.joc.2c01238
日期:2022.8.19
Chemodivergent synthesis of indeno[1,2-b]indoles and isoindolo[2,1-a]indoles from the same starting materials involving radical cross-dehydrogenative couplings have been developed. Mn(OAc)3·2H2O selectively promoted an intramolecular radical C–H/C–H dehydrogenative coupling reaction to provide indeno[1,2-b]indoles, while an intramolecular radical C–H/N–H dehydrogenative coupling reaction could proceed
已经开发了由涉及自由基交叉脱氢偶联的相同起始材料的茚并[1,2- b ]吲哚和异吲哚[ 2,1- a ]吲哚的化学发散合成。Mn(OAc) 3 ·2H 2 O选择性促进分子内自由基C-H/C-H脱氢偶联反应生成茚并[1,2- b ]吲哚,而分子内自由基C-H/N-H脱氢偶联反应可以通过电化学传递异吲哚[2,1- a ]吲哚。提出了化学发散反应的合理机制。