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Issue 20, 2014
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Chiral rhodium complexes covalently anchored on carbon nanotubes for enantioselective hydrogenation

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Abstract

Chiral rhodium hybrid nanocatalysts have been prepared by covalent anchorage of pyrrolidine-based diphosphine ligands onto functionalized CNTs. This work constitutes the first attempt at covalent anchoring of homogeneous chiral catalysts on CNTs. The catalysts, prepared with two different chiral phosphines, were characterized by ICP, XPS, N2 adsorption and TEM, and have been tested in the asymmetric hydrogenation of two different substrates: methyl 2-acetamidoacrylate and α-acetamidocinnamic acid. The hybrid nanocatalysts have shown to be active and enantioselective in the hydrogenation of α-acetamidocinnamic acid. A good recyclability of the catalysts with low leaching and without loss of activity and enantioselectivity was observed.

Graphical abstract: Chiral rhodium complexes covalently anchored on carbon nanotubes for enantioselective hydrogenation

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Publication details

The article was received on 22 Nov 2013, accepted on 27 Jan 2014 and first published on 29 Jan 2014


Article type: Paper
DOI: 10.1039/C3DT53301H
Citation: Dalton Trans., 2014,43, 7455-7463
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    Chiral rhodium complexes covalently anchored on carbon nanotubes for enantioselective hydrogenation

    C. C. Gheorghiu, B. F. Machado, C. Salinas-Martínez de Lecea, M. Gouygou, M. C. Román-Martínez and P. Serp, Dalton Trans., 2014, 43, 7455
    DOI: 10.1039/C3DT53301H

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