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Issue 6, 2015
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Copper-loaded polymeric magnetic nanocatalysts as retrievable and robust heterogeneous catalysts for click reactions

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Abstract

A novel heterogeneous copper catalyst based on poly(ionic liquid)-coated magnetic nanoparticles was prepared by the polymerization of 3-carboxymethyl-1-vinylimidazolium in the presence of surface-modified magnetic nanoparticles, followed by the coordination of the carboxylate units in the polymer chains with copper sulfate. The resulting catalyst has a high level of loading of copper ions and is used in low weight percent. The catalytic activity of the newly designed catalyst was tested in a one-pot synthesis of 1,4-disubstituted 1,2,3-triazoles by click reactions between primary halides or tosylates, sodium azide and terminal acetylenes at room temperature in aqueous media. The unique nanocatalyst structure and the multi-layered form of coated polymer on the magnetite surface are responsible for the excellent catalytic performance for click reactions.

Graphical abstract: Copper-loaded polymeric magnetic nanocatalysts as retrievable and robust heterogeneous catalysts for click reactions

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Supplementary files

Article information


Submitted
25 Nov 2014
Accepted
09 Mar 2015
First published
10 Mar 2015

New J. Chem., 2015,39, 4591-4600
Article type
Paper
Author version available

Copper-loaded polymeric magnetic nanocatalysts as retrievable and robust heterogeneous catalysts for click reactions

A. Pourjavadi, M. Tajbakhsh, M. Farhang and S. H. Hosseini, New J. Chem., 2015, 39, 4591
DOI: 10.1039/C4NJ02134G

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