Highly selective aqueous phase selective hydrogenation of phenols over RuO2 nanoparticles supported on MCM-41

Betsy, Kurisingal J., Lazar, Anish and Vinod, Chathakudath P. (2018) Highly selective aqueous phase selective hydrogenation of phenols over RuO2 nanoparticles supported on MCM-41. Nano-Structures and Nano-Objects, 13, 36-43. (doi:10.1016/j.nanoso.2017.11.004).

Record type: Article

Abstract

Selective aqueous phase hydrogenation of phenol as well as its derivatives is important for the synthesis of chemical intermediates which are crucial for the manufacture of high-tonnage commodities and a multitude of value added platform chemicals. Herein, we report a facile catalyst made of highly dispersed small RuO2 nanoparticles supported on mesoporous MCM-41 using one-pot approach. The optimal 5RuO2-MCM-41 catalyst with particle size 6-8 nm showed excellent activity and selectivity in aqueous phase hydrogenation of phenol and other functionalized substrates, which are building blocks of lignin, to corresponding cyclohexanol products without any additives. These catalysts showed better stability and can be reused several times without any significant drop in activity which proves the heterogeneity of the immobilized oxide catalyst.

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