Palladium-Catalyzed Regioselective C-5 Arylation of 1,2,3-Triazoles with Diaryliodonium Salts
作者:Zhengyin Du、Hua Feng、Fangli Gang、Yang Che、Ying Fu
DOI:10.1055/s-0036-1588815
日期:2017.8
An effective method for C-5 arylation of 1,4-disubstituted 1,2,3-triazoles and C-5 regioselective arylation of 1-substituted 1,2,3-triazoles via sp2 C–H activation with palladium as a catalyst and diaryliodoniumsalts as arylating reagents is described. Various electron-rich and electron-deficient substituents attached to triazoles and diaryliodoniumsalts were tolerable to give the desired products