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Issue 5, 2018
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Copper-amino group complexes supported on silica-coated magnetite nanoparticles: efficient catalyst for oxidative amidation of methyl arenes

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Abstract

Magnetite nanoparticles coated with mesoporous silica, Fe3O4@SiO2, were prepared. Surface functionalization of this core–shell nanocomposite with (3-aminopropyl)trimethoxysilane (APTMS) followed by its reaction with Cu(OAc)2 was used to develop a new heterogeneous copper complex (Fe3O4@SiO2–APTMS–Cu). The structure and composition of the synthesized nanocatalyst were characterized by FTIR, SEM, VSM, TEM, XRD, and ICP analyses. The catalytic activity of the synthesized catalyst was probed in the oxidative amidation reaction of methyl arenes with amine hydrochloride salts. Various primary, secondary, and tertiary amides were prepared by this method. The magnetic properties of this catalyst lead to easy separation as well as providing significant catalyst recyclability. The catalyst is reusable 6 times without significant decrease in its catalytic activity.

Graphical abstract: Copper-amino group complexes supported on silica-coated magnetite nanoparticles: efficient catalyst for oxidative amidation of methyl arenes

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Publication details

The article was received on 23 Jun 2017, accepted on 25 Oct 2017 and first published on 20 Nov 2017


Article type: Paper
DOI: 10.1039/C7NJ02257C
Citation: New J. Chem., 2018,42, 3900-3908
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    Copper-amino group complexes supported on silica-coated magnetite nanoparticles: efficient catalyst for oxidative amidation of methyl arenes

    M. Karimi, L. Ghandi, D. Saberi and A. Heydari, New J. Chem., 2018, 42, 3900
    DOI: 10.1039/C7NJ02257C

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