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Issue 3, 2017
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Electronic and bite angle effects in catalytic C–O bond cleavage of a lignin model compound using ruthenium Xantphos complexes

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Abstract

Bite angle and electronic effects on the ruthenium–diphosphine catalysed ether bond cleavage of the lignin β-O-4 model compound 2-phenoxy-1-phenylethanol were tested. Enhanced conversion of the substrate was observed with increasing σ-donor capacity of the ligands. Kinetic and thermodynamic data suggest oxidative addition of the dehydrogenated model compound to the diphosphine Ru(0) complex to be rate-limiting.

Graphical abstract: Electronic and bite angle effects in catalytic C–O bond cleavage of a lignin model compound using ruthenium Xantphos complexes

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Supplementary files

Article information


Submitted
08 Mar 2016
Accepted
12 Jan 2017
First published
13 Jan 2017

Catal. Sci. Technol., 2017,7, 619-626
Article type
Paper

Electronic and bite angle effects in catalytic C–O bond cleavage of a lignin model compound using ruthenium Xantphos complexes

L. Shaw, D. M. U. K. Somisara, R. C. How, N. J. Westwood, P. C. A. Bruijnincx, B. M. Weckhuysen and P. C. J. Kamer, Catal. Sci. Technol., 2017, 7, 619
DOI: 10.1039/C6CY00518G

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