Ligand-Enabled Ni–Al Bimetallic Catalysis for Nonchelated Dual C–H Annulation of Arylformamides and Alkynes
Yin-Xia Wang, Feng‐Ping Zhang, Yu‐Xin Luan, Mengchun Ye
Abstract
A bifunctional secondary phosphine oxide (SPO) ligand-controlled method was developed for Ni-Al-catalyzed nonchelated dual C-H annulation of arylformamides with alkynes, providing a series of substituted amide-containing heterocycles in ≤97% yield. The SPO-bound bimetallic catalysis proved to be critical to the reaction efficiency.
Topics & Concepts
Bimetallic stripAnnulationChemistryLigand (biochemistry)BifunctionalCatalysisYield (engineering)PhosphineAmideCombinatorial chemistryMedicinal chemistryPhosphine oxideOrganic chemistryReceptorBiochemistryMaterials scienceMetallurgyCatalytic C–H Functionalization MethodsCatalytic Cross-Coupling ReactionsSynthesis and Catalytic Reactions