AbstractA synthesis of pyrido[2,1‐a]isoindoles is reported by the rhodium‐catalyzed direct oxidative CH acylation of 2‐aryl pyridines with terminal alkynes. The desired products were obtained in moderate to excellent yields. This is an efficient and clean method to construct CC/CN bonds in one step. In addition, the effective rhodium(III) catalyst was isolated and characterized by X‐ray crystallography.magnified image
Facile Synthesis of Pyrido[2,1-a]isoindoles via Iron-Mediated 2-Arylpyridine C-H Bond Cleavage
作者:Jiang Cheng、Shan Liu、Xingen Hu、Xinhua Li
DOI:10.1055/s-0032-1318495
日期:——
An iron-catalyzed reaction of 2-arylpyridine C–H bond with 2-bromoacetophenone is achieved, providing pyrido[2,1-a]-isoindoles in moderate to good yields. The regioselectivity stems from the domination of hindrance on the regioselective ortho-functionalization of 2-arylpyridines C–H bond.
AbstractA synthesis of pyrido[2,1‐a]isoindoles is reported by the rhodium‐catalyzed direct oxidative CH acylation of 2‐aryl pyridines with terminal alkynes. The desired products were obtained in moderate to excellent yields. This is an efficient and clean method to construct CC/CN bonds in one step. In addition, the effective rhodium(III) catalyst was isolated and characterized by X‐ray crystallography.magnified image