Supercritical carbon dioxide as reaction medium for selective hydrogenation of 
fluorinated arenes

Kacem, Souha; Qiao, Yunxiang; Wirtz, Cornelia; Theyssen, Nils; Bordet, Alexis; Leitner, Walter

doi:10.1039/D2GC02623F

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Supercritical carbon dioxide as reaction medium for selective hydrogenation of fluorinated arenes

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Qiao, Yunxiang
Max Planck Institute for Chemical Energy Conversion ;
Service Department Theyssen (Technical Labs), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Wirtz, Cornelia
Service Department Farès (NMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Theyssen, Nils
Service Department Theyssen (Technical Labs), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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引用

Kacem, S., Qiao, Y., Wirtz, C., Theyssen, N., Bordet, A., & Leitner, W. (2022). Supercritical carbon dioxide as reaction medium for selective hydrogenation of fluorinated arenes. Green Chemistry, 24(22), 8671-8676. doi:10.1039/D2GC02623F.

引用: https://hdl.handle.net/21.11116/0000-000B-1B5B-2

要旨

The selective hydrogenation of fluorinated arenes with polar functionalities is achieved, opening a versatile pathway for the production of valuable substituted fluorocyclohexane derivatives from readily available substrates. The use of supercritical carbon dioxide (scCO₂) as a hydrophobic and green solvent in combination with Rh nanoparticles immobilized on molecularly modified silica as catalysts favours hydrogenation over hydrodefluorination. The approach compares favourably in terms of green chemistry metrics relative to traditional synthetic routes as exemplified for the useful building block 4-fluorocyclohexan-1-ol.