Synthesis of 1-aryl-substituted-4-chloroimidazo[1,2-a]quinoxalines catalyzed by PdCl2 in water

Article abstract of DOI:10.1016/j.tetlet.2012.01.028

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]quinoxal