A convenient synthesis of 4(5)-mono-, 4,5-di-, and 2,4,5-tri-substituted imidazoles
作者:Brian Iddon、Nazir Khan
DOI:10.1016/s0040-4039(00)84334-8
日期:1986.1
A procedure is described for the stepwise introduction of substituents (hydrogen included) into the imidazole ring by FGI of the bromine atoms in 1-protected 2,4,5-tribromoimidazoles in the order 2 → 5 → 4 using halogen-metal exchange techniques.