Synthesis of Substituted Indoles from 2-Azidoacrylates and <i>ortho</i>-Silyl Aryltriflates
作者:Deng Hong、Zhengbo Chen、Xufeng Lin、Yanguang Wang
DOI:10.1021/ol101934v
日期:2010.10.15
2-Azidoacrylates react with benzynes in the presence of PPh3 and CsF to afford substituted indoles in good yields. The reaction involves the formation of iminophosphorane and benzyne and a subsequent double cyclization/hydrolysis/air-oxidation cascade. This methodology was utilized to synthesize 10H-indolo[1,2-a]indol-10-ones.