Transannulation of 1-Sulfonyl-1,2,3-triazoles with Heterocumulenes
作者:Stepan Chuprakov、Sen Wai Kwok、Valery V. Fokin
DOI:10.1021/ja400350c
日期:2013.3.27
reactions with isocyanates and isothiocyanates, respectively. The proposed triazole-diazoimine equilibrium results in the formation of highly reactive azavinyl metal-carbenes, which react with heterocumulenes causing an apparent swap of 1,2,3-triazole core for another heterocycle.