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Synfacts 2011(7): 0806-0806  
DOI: 10.1055/s-0030-1260381
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Hydrogenation of Carboxylic Acids Using TiO2-Supported Ruthenium

Contributor(s): Yasuhiro Uozumi, Yoichi M. A. Yamada, Maki Minakawa
A. Primo, P. Concepción, A. Corma*
Universidad Politécnica de Valencia, Spain
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Publikationsverlauf

Publikationsdatum:
17. Juni 2011 (online)

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Significance

Herein, the hydrogenation of carboxylic acids using TiO2-supported ruthenium nanoparticles is described. Reduction of levulinic acid, succinic acid, and itaconic acid was performed on Ru (0.6%)/TiO2 under 35 bar hydrogen pressure to give the corresponding lactones in 93% (1), 98% (3), 32.4% (4), and 58% (5) yield, ­respectively (TON: 38-247), where the catalytic activity of Ru (0.6%)/TiO2 is almost three times higher than that of conventional Ru (5%)/C catalyst.