Rh(<scp>iii</scp>)-catalyzed synthesis of dibenzo[<i>b</i>,<i>d</i>]pyran-6-ones from aryl ketone <i>O</i>-acetyl oximes and quinones <i>via</i> C–H activation and C–C bond cleavage
Wei Yang, Haonan Zhang, Yu Liu, Cuiman Tang, Xiaohui Xu, Jiaqi Liu
Abstract
Rh(iii)-catalyzed cascade C-H activation annulation. A possible Rh(iii)-Rh(v)-Rh(iii) mechanism involving an unprecedented β-C elimination step was proposed.
Topics & Concepts
PyranCatalysisChemistryArylKetoneMedicinal chemistryMethyl KetoneStereochemistryOrganic chemistryAlkylCatalytic C–H Functionalization MethodsCatalytic Alkyne ReactionsCatalytic Cross-Coupling Reactions