Abstract
A novel way of synthesizing quinoxalines has been developed that involves condensation and C−N bond formation in a copper-catalyzed, one-pot, three-component reaction. The reaction was optimized when 2-iodoanilines (1.0 equiv), arylacetaldehydes (2.0 equiv), sodium azide (1.2 equiv), CuI (10 mol%), DMEDA (10 mol%), and K<sub>2</sub>CO<sub>3</sub> (1.0 equiv) were reacted in DMSO at 80 °C for 20 hours. This approach was used to directly synthesize a variety of quinoxalines in moderate to good yields.
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