Heterogeneously Catalyzed Carboxylic Acid Hydrogenation to Alcohols

Karam, Leila; Neumann, Constanze N.

doi:10.1002/cctc.202200953

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Heterogeneously Catalyzed Carboxylic Acid Hydrogenation to Alcohols

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Karam, Leila
Research Group Neumann, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Neumann, Constanze N.
Research Group Neumann, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Karam, L., & Neumann, C. N. (2022). Heterogeneously Catalyzed Carboxylic Acid Hydrogenation to Alcohols. ChemCatChem, 14(22): e202200953. doi:10.1002/cctc.202200953.

Cite as: https://hdl.handle.net/21.11116/0000-000B-3433-1

Abstract

This critical review discusses the synthesis of alcohols via hydrogenation of carboxylic acids promoted by heterogeneous metal catalysis. The introductory chapter rationalizes the comparative reactivity of carboxylic acid derivatives, which is proceeded by a description of different mechanisms for carboxylic acid hydrogenation. We then discuss reaction pathways that give rise to undesired side products, before comparing the reactivity of different classes of carboxylic acid substrates with a focus on biomass-derived carboxylic acids. The final portion of the review aims to guide researchers in the selection of appropriate reaction conditions, such as the choice of solvent, transition metal, and catalyst support.