Abstract
Ru nanoparticles entrapped in ordered mesoporous carbons (CMK-3) served as an efficient and reusable catalyst for liquid-phase hydrogenation of benzaldehyde and its derivatives under our tested conditions (medium hydrogen pressure, room temperature, water as solvent). The Ru nanoparticles can be well stabilized by CMK-3 ordered mesoporous carbons so that the Ru leaching was below the detection limit of ICP-AES. Therefore, the Ru/CMK-3 catalyst can be used for at least five times without distinct loss in activity or selectivity for the hydrogenation of benzaldehyde. It is worthy of note that the Ru/CMK-3 catalyst was more efficient than the commercial Ru/C and homemade Ru/AC catalyst for the liquid-phase hydrogenation of benzaldehyde. The Ru/CMK-3 catalyst can also catalyze the liquid-phase hydrogenation of nitrobenzene and its derivatives with high conversions and excellent selectivities under optimal conditions.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China (21273076 and 20925310) and Shanghai Leading Academic Discipline Project (B409). Finally, helpful comments have been made by the reviewers, and some of these were followed in the revision.
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Ding, Y., Li, X., Pan, H. et al. Ru Nanoparticles Entrapped in Ordered Mesoporous Carbons: An Efficient and Reusable Catalyst for Liquid-Phase Hydrogenation. Catal Lett 144, 268–277 (2014). https://doi.org/10.1007/s10562-013-1137-9
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DOI: https://doi.org/10.1007/s10562-013-1137-9