Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 26, Issue 67, Pages 15589-15595Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202001866
Keywords
amines; cobalt; heterogeneous catalysis; hydrogenation; magnesium oxide
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Funding
- state of Mecklenburg Vorpommern
- Qatar National Research Fund [NPRP9-212-1-042]
- F. Hoffmann-La Roche AG
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Cobalt-doped hybrid materials consisting of metal oxides and carbon derived from chitin were prepared, characterized and tested for industrially relevant nitrile hydrogenations. The optimal catalyst supported onto MgO showed, after pyrolysis at 700 degrees C, magnesium oxide nanocubes decorated with carbon-enveloped Co nanoparticles. This special structure allows for the selective hydrogenation of diverse and demanding nitriles to the corresponding primary amines under mild conditions (e.g. 70 degrees C, 20 bar H-2). The advantage of this novel catalytic material is showcased for industrially important substrates, including adipodinitrile, picolinonitrile, and fatty acid nitriles. Notably, the developed system outperformed all other tested commercial catalysts, for example, Raney Nickel and even noble-metal-based systems in these transformations.
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