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Issue 5, 2009
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A novel glycerol valorization route: chemoselective dehydrogenation catalyzed by iridium derivatives

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Abstract

Organoiridium derivatives of the type Ir(diene)(N-N)X (diene = 1,5-hexadiene,1,5-cyclooctadiene; N-N = 2,2′-bipyridine, 1,10-phenanthroline and substituted derivatives; X = Cl, I) catalyze the hydrogen transfer reaction from glycerol to acetophenone, yielding dihydroxyacetone and phenylethanol. The catalytic reactions are performed at temperatures of 100 °C or higher, in the presence of a basic cocatalyst. The effect of experimental conditions on overall conversion and catalyst lifetime is discussed, as well as on the degradation of dihydroxyacetone, which can lead to an apparent decrease of selectivity of the catalytic reaction.

Graphical abstract: A novel glycerol valorization route: chemoselective dehydrogenation catalyzed by iridium derivatives

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Article information


Submitted
10 Nov 2008
Accepted
29 Jan 2009
First published
18 Feb 2009

Green Chem., 2009,11, 704-709
Article type
Paper

A novel glycerol valorization route: chemoselective dehydrogenation catalyzed by iridium derivatives

E. Farnetti, J. Kašpar and C. Crotti, Green Chem., 2009, 11, 704
DOI: 10.1039/B819870E

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