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Issue 4, 2015
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Palladium nanoparticles supported on modified single-walled carbon nanotubes: a heterogeneous and reusable catalyst in the Ullmann-type N-arylation of imidazoles and indoles

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Abstract

Air- and moisture-stable and recyclable palladium nanoparticles supported on modified single-walled carbon nanotubes (SWCNT-Met/Pd) behave as very efficient heterogeneous catalysts in the Ullmann coupling of imidazoles and indoles with aryl iodides to afford the corresponding C–N coupling reactions under aerobic conditions. These cross coupled products were produced in excellent yields at low palladium loading (∼0.2 mol%) and the heterogeneous catalyst can be readily recovered by simple filtration and reused five times without a noticeable loss in its catalytic activity.

Graphical abstract: Palladium nanoparticles supported on modified single-walled carbon nanotubes: a heterogeneous and reusable catalyst in the Ullmann-type N-arylation of imidazoles and indoles

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Publication details

The article was received on 22 Nov 2014, accepted on 30 Jan 2015 and first published on 12 Feb 2015


Article type: Paper
DOI: 10.1039/C4NJ02108H
Citation: New J. Chem., 2015,39, 2901-2907
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    Palladium nanoparticles supported on modified single-walled carbon nanotubes: a heterogeneous and reusable catalyst in the Ullmann-type N-arylation of imidazoles and indoles

    H. Veisi and N. Morakabati, New J. Chem., 2015, 39, 2901
    DOI: 10.1039/C4NJ02108H

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