The choice of metal oxide catalyst affects the range of unsaturated compounds that can be hydrogenated.
The choice of metal oxide catalyst and support significantly influences the selectivity and range of functional groups and unsaturated compounds that can be hydrogenated.
The retrieved papers consistently demonstrate that changing the metal oxide catalyst, its active sites, oxygen vacancies, and support material dictates the selectivity and pathway of various hydrogenation and reduction reactions.
Sanoja-Lopez KA, Balu AM, Carmona HP, Hájek M, Luque R, Herrador JMH. A Practical Guide to Heterogeneous Catalysis in Hydrocarbon Transformations.. 2025. https://doi.org/10.1002/asia.202500635
Paper [0] emphasizes that the specific active sites and redox or metallic nature of heterogeneous catalysts directly govern system activity and selectivity in hydrogenation.
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Yuan Z, Yao Z, Tang Q, Ren Y, Wang J, Zhou P, Zhang Z. Controlled transfer-reduction of functional groups with ethanol by their interaction strength with the oxygen vacancies.. 2026. https://doi.org/10.1038/s41467-026-71308-z
Paper [3] demonstrates that varying the metal oxide (such as molybdenum oxide with oxygen vacancies) successfully controls the selective reduction of different functional groups.
Aristizábal-Alzate CE, Naharro-Ovejero V, Romero-Sáez M, Dongil AB. Liquid Phase Catalytic Transfer Hydrogenation of Crotonaldehyde over ReO<sub>x</sub>-Supported Catalysts Using Formic Acid as In Situ Hydrogen Donor.. 2025. https://doi.org/10.3390/molecules30214307
Paper [8] shows that changing the metal oxide support for ReOx alters the catalytic behavior and selectivity during the hydrogenation of unsaturated compounds like crotonaldehyde.
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