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Issue 9, 2017
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Catalytic oxidation of aromatic hydrocarbons by a molecular iron–NHC complex

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Abstract

An iron–NHC complex bearing a tetradentate bis(N-heterocyclic carbene) ligand is applied as catalyst for the oxidation of methyl substituted arene substrates. Using hydrogen peroxide as the oxidant p-xylene and pseudocumene are converted to the corresponding phenols and benzoquinones. The influence of various reaction parameters like temperature, catalyst loading, and oxidant concentration is investigated and kinetic experiments reveal that a temperature reduction leads to an increased catalyst lifetime. Furthermore, an interesting selectivity towards unexpected phenolic products resulting from a methyl shift reaction is observed.

Graphical abstract: Catalytic oxidation of aromatic hydrocarbons by a molecular iron–NHC complex

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Publication details

The article was received on 22 Mar 2017, accepted on 30 Mar 2017 and first published on 11 Apr 2017


Article type: Paper
DOI: 10.1039/C7CY00557A
Citation: Catal. Sci. Technol., 2017,7, 1902-1911
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    Catalytic oxidation of aromatic hydrocarbons by a molecular iron–NHC complex

    A. C. Lindhorst, J. Schütz, T. Netscher, W. Bonrath and F. E. Kühn, Catal. Sci. Technol., 2017, 7, 1902
    DOI: 10.1039/C7CY00557A

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