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Issue 11, 2012
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Aqueous biphasic hydrogenation of benzene catalyzed by ruthenium complex of trisulfonated tris(biphenyl)phosphine

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Abstract

Ruthenium-catalyzed aqueous biphasic hydrogenation of benzene was investigated using the water-soluble ligand trisulfonated tris(biphenyl)phosphine (BiphTS). The ruthenium/BiphTS system exhibited an efficient catalytic activity and effectively hydrogenated benzene to cyclohexane with 100% selectivity under mild conditions. The effect of reaction temperature, partial pressure of hydrogen, ligand/Ru molar ratio, benzene/Ru molar ratio, non-ionic surfactants, thiophene concentration and reusability of catalyst were investigated systematically for the hydrogenation of benzene. A considerably high TOF (up to 8000 h−1) was obtained in the presence of mass transfer promoters (such as non ionic surfactants). The Ru/BiphTS was easily recovered from the product by a simple phase separation and recycled.

Graphical abstract: Aqueous biphasic hydrogenation of benzene catalyzed by ruthenium complex of trisulfonated tris(biphenyl)phosphine

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Publication details

The article was received on 22 Mar 2012, accepted on 15 May 2012 and first published on 02 Jul 2012


Article type: Paper
DOI: 10.1039/C2CY20172K
Citation: Catal. Sci. Technol., 2012,2, 2273-2278
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    Aqueous biphasic hydrogenation of benzene catalyzed by ruthenium complex of trisulfonated tris(biphenyl)phosphine

    A. A. Dabbawala, H. C. Bajaj, H. Bricout and E. Monflier, Catal. Sci. Technol., 2012, 2, 2273
    DOI: 10.1039/C2CY20172K

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