Synthesis of 1-aryl-substituted-4-chloroimidazo[1,2-a]quinoxalines catalyzed by PdCl2 in water
作者:Mohammad Bakherad、Ali Keivanloo、Shahrzad Samangooei
DOI:10.1016/j.tetlet.2012.01.028
日期:2012.3
The reaction of 2-chloro-3-propargylaminoquinoxaline with various aryl iodides and bromides catalyzed by Pd-Cu in the presence of potassium carbonate as the base in water leads to the one-pot formation of 1-aryl-substituted-4-chloroimidazo[1,2-a]quinoxalines in moderate-to-high yields. (C) 2012 Elsevier Ltd. All rights reserved.