Transition metal-free C-3 functionalization of quinoxalin-2(1<i>H</i>)-ones: recent advances and sanguine future
KIRAN KIRAN, Payal Rani, Sandhya Chahal, Jayant Sindhu, Sudhir Kumar, Rajender S. Varma, Rajvir Singh
Abstract
A gradual shift from metal-catalyzed to metal-free methods is occurring, as the latter are more environmentally benign. This review discusses sustainable protocols for the construction of C–C, C–N, C–P, C–S, and C–O bonds via C–H functionalization of quinoxalin-2(1 H )-ones.
Topics & Concepts
ChemistrySurface modificationTransition metalMetalCombinatorial chemistryCatalysisOrganic chemistryPhysical chemistrySynthesis and Biological EvaluationCatalytic C–H Functionalization MethodsCyclopropane Reaction Mechanisms