Synthesis of benzo[4,5]imidazo[1,2-<i>a</i>]quinoxalines by I<sub>2</sub>-mediated sp<sup>3</sup> C–H amination
Wenjun Chen, Yangxu Du, Manman Wang, Yingchao Fang, Wenquan Yu, Junbiao Chang
Abstract
Benzo[4,5]imidazo[1,2-<italic>a</italic>]quinoxalines were synthesized by I<sub>2</sub>-mediated sp<sup>3</sup> C–H amination under transition-metal free conditions in an efficient and scalable fashion.
Topics & Concepts
ChemistryAminationTransition metalMedicinal chemistryStereochemistryOrganic chemistryCatalysisSynthesis and Biological EvaluationCatalytic C–H Functionalization MethodsSulfur-Based Synthesis Techniques