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Issue 1, 2015
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Selective catalytic oxidation of sugar alcohols to lactic acid

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Abstract

Sorbitol and xylitol obtained from biomass are considered promising potential sources of both carbon building blocks and energy. We report the efficient and selective conversion of sorbitol, xylitol and other polyols into lactic acid as the major product through homogeneous iridium-NHC catalyzed dehydrogenative processes. The proposed reaction mechanism involves base-driven hydrolysis of simple sugars which accounts for the catalyst selectivity observed. In addition, catalyst deactivation pathways are explored and rational catalyst optimization is attempted through fine tuning of the complex.

Graphical abstract: Selective catalytic oxidation of sugar alcohols to lactic acid

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Publication details

The article was received on 01 Sep 2014, accepted on 04 Nov 2014 and first published on 11 Nov 2014


Article type: Paper
DOI: 10.1039/C4GC01694G
Citation: Green Chem., 2015,17, 594-600

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    Selective catalytic oxidation of sugar alcohols to lactic acid

    M. G. Manas, J. Campos, L. S. Sharninghausen, E. Lin and R. H. Crabtree, Green Chem., 2015, 17, 594
    DOI: 10.1039/C4GC01694G

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