Synthesis of benzofuro- and benzothieno[2,3-<i>c</i>]pyridines <i>via</i> copper-catalyzed [4 + 2] annulation of ketoxime acetates with acetoacetanilide
Binsen Rong, Gaochen Xu, Huan Yan, Sai Zhang, Qinghuan Wu, Ning Zhu, Zheng Fang, Jindian Duan, Kai Guo
Abstract
An efficient copper-catalyzed annulation of ketoxime acetates with acetoacetanilide has been developed for the facile synthesis of benzofuro- and benzothieno[2,3-<italic>c</italic>]pyridines.
Topics & Concepts
AnnulationChemistryCopperMedicinal chemistryCatalysisOrganic chemistryCatalytic C–H Functionalization MethodsSynthesis and Catalytic ReactionsSynthesis of heterocyclic compounds