Generation of benzoimidazo[1,5-a]imidazoles via a copper-catalyzed tandem reaction of carbodiimide and isocyanoacetate†
Guanyinsheng Qiu
Chemical Communications Pub Date : 04/18/2012 00:00:00 , DOI:10.1039/C2CC32135A
Abstract
Carbodiimide reacts with isocyanide catalyzed by copper(I) iodide, leading to benzoimidazo[1,5-a]imidazoles in good yields. This reaction is efficient, and proceeds through a formal [3+2] cycloaddition and C–N coupling.
![Graphical abstract: Generation of benzoimidazo[1,5-a]imidazoles via a copper-catalyzed tandem reaction of carbodiimide and isocyanoacetate](http://hg.y866.cn/compound/lib/scimg/usr/1/C2CC32135A.jpg)
