Bimetallic Nanoparticles in Supported Ionic Liquid Phases as Multifunctional Catalysts for the Selective Hydrodeoxygenation of Aromatic Substrates

Bimetallic iron–ruthenium nanoparticles embedded in an acidic supported ionic liquid phase (FeRu@SILP+IL‐SO3H) act as multifunctional catalysts for the selective hydrodeoxygenation of carbonyl groups in aromatic substrates. The catalyst material is assembled systematically from molecular components...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2018-09, Vol.57 (39), p.12721-12726
Main Authors: Offner‐Marko, Lisa, Bordet, Alexis, Moos, Gilles, Tricard, Simon, Rengshausen, Simon, Chaudret, Bruno, Luska, Kylie L., Leitner, Walter
Format: Article
Language:English
Subjects:
bimetallic nanoparticles
Bimetals
Carbonyl groups
Carbonyls
Catalysis
Catalysts
Chemical Sciences
Communication
Communications
hydrodeoxygenation
Hydrogenolysis
Ionic liquids
Ions
Iron
Ketones
Liquid phases
Nanoparticles
Reagents
Ruthenium
Substrates
supported ionic liquid phases
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Summary:Bimetallic iron–ruthenium nanoparticles embedded in an acidic supported ionic liquid phase (FeRu@SILP+IL‐SO3H) act as multifunctional catalysts for the selective hydrodeoxygenation of carbonyl groups in aromatic substrates. The catalyst material is assembled systematically from molecular components to combine the acid and metal sites that allow hydrogenolysis of the C=O bonds without hydrogenation of the aromatic ring. The resulting materials possess high activity and stability for the catalytic hydrodeoxygenation of C=O groups to CH2 units in a variety of substituted aromatic ketones and, hence, provide an effective and benign alternative to traditional Clemmensen and Wolff–Kishner reductions, which require stoichiometric reagents. The molecular design of the FeRu@SILP+IL‐SO3H materials opens a general approach to multifunctional catalytic systems (MM′@SILP+IL‐func). A bimetallic, bifunctional catalyst composed of iron–ruthenium nanoparticles immobilized on an acid‐functionalized supported ionic liquid phase (FeRu@SILP+IL‐SO3H) was developed. This catalyst showed high activity for the hydrodeoxygenation of aromatic ketones and excellent selectivity towards aromatic deoxygenation products.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201806638