Highly selective hydrogenation of arenes using nanostructured ruthenium catalysts modified with a carbon–nitrogen matrix

Xinjiang Cui, Annette-Enrica Surkus, Kathrin Junge, Christoph Topf, Jörg Radnik, Carsten Kreyenschulte and Matthias Beller ()
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Xinjiang Cui: Leibniz-Institute for Catalysis, University of Rostock
Annette-Enrica Surkus: Leibniz-Institute for Catalysis, University of Rostock
Kathrin Junge: Leibniz-Institute for Catalysis, University of Rostock
Christoph Topf: Leibniz-Institute for Catalysis, University of Rostock
Jörg Radnik: Leibniz-Institute for Catalysis, University of Rostock
Carsten Kreyenschulte: Leibniz-Institute for Catalysis, University of Rostock
Matthias Beller: Leibniz-Institute for Catalysis, University of Rostock

Nature Communications, 2016, vol. 7, issue 1, 1-8

Abstract: Abstract Selective hydrogenations of (hetero)arenes represent essential processes in the chemical industry, especially for the production of polymer intermediates and a multitude of fine chemicals. Herein, we describe a new type of well-dispersed Ru nanoparticles supported on a nitrogen-doped carbon material obtained from ruthenium chloride and dicyanamide in a facile and scalable method. These novel catalysts are stable and display both excellent activity and selectivity in the hydrogenation of aromatic ethers, phenols as well as other functionalized substrates to the corresponding alicyclic reaction products. Furthermore, reduction of the aromatic core is preferred over hydrogenolysis of the C–O bond in the case of ether substrates. The selective hydrogenation of biomass-derived arenes, such as lignin building blocks, plays a pivotal role in the exploitation of novel sustainable feedstocks for chemical production and represents a notoriously difficult transformation up to now.

Date: 2016
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DOI: 10.1038/ncomms11326

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