Single-site trinuclear copper oxygen clusters in mordenite for selective conversion of methane to methanol

Sebastian Grundner, Monica A.C. Markovits, Guanna Li, Moniek Tromp, Evgeny A. Pidko, Emiel J.M. Hensen, Andreas Jentys, Maricruz Sanchez-Sanchez and Johannes A. Lercher ()
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Sebastian Grundner: Technische Universität München
Monica A.C. Markovits: Technische Universität München
Guanna Li: Schuit Institute of Catalysis, Inorganic Materials Chemistry Group, Eindhoven University of Technology
Moniek Tromp: Van’t Hoff Institute for Molecular Sciences, University of Amsterdam
Evgeny A. Pidko: Schuit Institute of Catalysis, Inorganic Materials Chemistry Group, Eindhoven University of Technology
Emiel J.M. Hensen: Schuit Institute of Catalysis, Inorganic Materials Chemistry Group, Eindhoven University of Technology
Andreas Jentys: Technische Universität München
Maricruz Sanchez-Sanchez: Technische Universität München
Johannes A. Lercher: Technische Universität München

Nature Communications, 2015, vol. 6, issue 1, 1-9

Abstract: Abstract Copper-exchanged zeolites with mordenite structure mimic the nuclearity and reactivity of active sites in particulate methane monooxygenase, which are enzymes able to selectively oxidize methane to methanol. Here we show that the mordenite micropores provide a perfect confined environment for the highly selective stabilization of trinuclear copper-oxo clusters that exhibit a high reactivity towards activation of carbon–hydrogen bonds in methane and its subsequent transformation to methanol. The similarity with the enzymatic systems is also implied from the similarity of the reversible rearrangements of the trinuclear clusters occurring during the selective transformations of methane along the reaction path towards methanol, in both the enzyme system and copper-exchanged mordenite.

Date: 2015
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DOI: 10.1038/ncomms8546

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