WEPA: a reusable waste biomass-derived catalyst for external oxidant/metal-free quinoxaline synthesis<i>via</i>tandem condensation–cyclization–oxidation of α-hydroxy ketones
Bandameeda Ramesh Naidu, Katta Venkateswarlu
Abstract
WEPA, a waste biomass-derived catalyst, was used to synthesize quinoxalines from aryl/heteroaryl 1,2-diamines and α-hydroxy ketones via metal catalyst/added oxidant-free sequential condensation–cyclization–oxidation process.
Topics & Concepts
QuinoxalineCatalysisChemistryCondensationTandemArylMetalOrganic chemistryBiomass (ecology)Combinatorial chemistryMaterials scienceComposite materialThermodynamicsPhysicsGeologyAlkylOceanographySynthesis and Biological EvaluationNanomaterials for catalytic reactions