Mechanistic Understanding of the Heterogeneous, Rhodium-Cyclic (Alkyl)(Amino)Carbene-Catalyzed (Fluoro-)Arene Hydrogenation
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Date
2020
Volume
10
Issue
11
Journal
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Publisher
Washington, DC : American Chemical Society
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Abstract
Recently, chemoselective methods for the hydrogenation of fluorinated, silylated, and borylated arenes have been developed providing direct access to previously unattainable, valuable products. Herein, a comprehensive study on the employed rhodium-cyclic (alkyl)(amino)carbene (CAAC) catalyst precursor is disclosed. Mechanistic experiments, kinetic studies, and surface-spectroscopic methods revealed supported rhodium(0) nanoparticles (NP) as the active catalytic species. Further studies suggest that CAAC-derived modifiers play a key role in determining the chemoselectivity of the hydrogenation of fluorinated arenes, thus offering an avenue for further tuning of the catalytic properties. Copyright © 2020 American Chemical Society.
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Keywords
Aromatic hydrocarbons, Catalysts, Hydrogenation, Spectroscopic analysis, Arene hydrogenation, Catalyst precursors, Catalytic properties, Catalytic species, Chemo-selectivity, Chemoselective methods, Spectroscopic method, Supported rhodiums, Rhodium metallography
Citation
Moock D., Wiesenfeldt M.P., Freitag M., Muratsugu S., Ikemoto S., Knitsch R., et al. (2020). Mechanistic Understanding of the Heterogeneous, Rhodium-Cyclic (Alkyl)(Amino)Carbene-Catalyzed (Fluoro-)Arene Hydrogenation. 10(11). https://doi.org//10.1021/acscatal.0c01074
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