Iron(II) Bromide-Catalyzed Synthesis of Benzimidazoles from Aryl Azides
作者:Meihua Shen、Tom G. Driver
DOI:10.1021/ol801227f
日期:2008.8.7
The identity of the ortho-substituent of an arylazide influences its reactivity toward transition metals. Substitution of a vinyl group with an imine disables rhodium(II)-mediated C-H amination and triggers a Lewis acid mechanism catalyzed by iron(II) bromide to facilitate benzimidazole formation.