Copper-Catalyzed Aerobic Oxidative Cyclization of Hydrazones to Pyrazolidinones
作者:Aurélie Dos Santos、Laurent El Kaïm、Laurence Grimaud、Caroline Ronsseray
DOI:10.1002/ejoc.201100261
日期:2011.6
N-Aryl hydrazones participate, under copper catalysis, in a [3+2] cycloaddition/aerobicoxidation cascade reaction to form pyrazolidinones. The starting hydrazones were prepared by three-component coupling of allylic amines, acyl chlorides, and aryl diazonium salts.