Cerium oxide nanoparticle-catalyzed three-component protocol for the synthesis of highly substituted novel quinoxalin-2-amine derivatives and 3,4-dihydroquinoxalin-2-amines in water?
RSC Advances Pub Date: 2014-02-20 DOI: 10.1039/C4RA00717D
Abstract
The syntheses of novel quinoxalin-2-amine derivatives were conducted in water using CeO2 nanoparticle catalyzed three-component reactions of 1,2-diamines with aldehydes and isocyanides. A variety of 3,4-dihydroquinoxalin-2-amine derivatives were also synthesized by reactions between 1,2-diamines, ketones and isocyanides. This new method offers an environmentally benign and effective approach for the synthesis of quinoxalin-2-amines and 3,4-dihydroquinoxalin-2-amines.
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Journal Name：RSC Advances
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