《A highly active magnetically recoverable nano ferrite》.pdf

View Article Online / Journal Homepage / Table of Contents for this issue Green Chemistry Dynamic Article Links Cite this: Green Chem., 2012, 14, 625 /greenchem PAPER 0. A highly active magnetically recoverable nano ferrite-glutathione-copper 3 : 9 (nano-FGT-Cu) catalyst for Huisgen 1,3-dipolar cycloadditions† 2 : 9 0 3 1 R. B. Nasir Baig and Rajender S. Varma* 0 2 / 9 0 / Received 18th October 2011, Accepted 25th November 2011 1 0 n DOI: 10.1039/c2gc16301b o Y T I 1,2,3-Triazoles were synthesized in water using magnetically recoverable heterogeneous Cu catalyst via S R E one-pot multi component reaction using MW irradiation. Aqueous reaction medium, easy recovery of the V I catalyst using an external magnet, efficient recycling, and the high stability of the catalyst renders the N U L protocol economic and sustainable. A M R O N I Introduction which an active component is dispersed or attached. Although U attempts have been made to make all active sites on solid sup- H N A homogeneous catalyst, where the catalyst is in the same phase ports accessible for reaction (allowing rates and selectivities A 1 y as the reactants, is generally accepted by chemists. One attrac- comparable to those obtained with homogeneous catalysts) only b