Copper-catalyzed decarboxylative intramolecular C–O coupling: synthesis of 2-arylbenzofuran from 3-arylcoumarin
作者:Wen-Chen Pu、Guan-Min Mu、Guo-Lin Zhang、Chun Wang
DOI:10.1039/c3ra46414h
日期:——
A copper-catalyzed decarboxylative intramolecular CâO coupling reaction was established. Under aerobic conditions in the presence of cupric chloride/1,10-phenathroline, a variety of 2-arylbenzofurans were prepared from 3-arylcoumarins in one-pot with yields from 26% to 84%.