Palladium-catalyzed synthesis of quinoxaline derivatives |
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| Authors: | Jeffery M. Wallace,Joaquí n Tamariz,Mathew T. Hurley |
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| Affiliation: | a C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506-6045, USA
b Department of Organic Chemistry, Escuela Nacional de Ciencias Biológicas, I.P.N. Prol. Carpio y Plan de Ayala, 11340 México, D.F., Mexico |
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| Abstract: | A palladium-catalyzed reductive N-heteroannulation of enamines derived from 2-nitrobenzenamines forming mixtures of 1,2-dihydroquinoxalines and 3,4-dihydroquinoxalin-2-ones is described. The reactions are performed using bis(dibenzylideneacetone)palladium(0), 1,3-bis(diphenylphosphino)propane, and 1,10-phenanthroline in DMF under 6 atm of carbon monoxide at 70 °C. |
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| Keywords: | Palladium-catalyzed annulation Quinoxaline |
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