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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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Author(s)

Luke Shaw, D. M. Upulani K. Somisara, Rebecca C. How, Nicholas J. Westwood, Pieter C. A. Bruijnincx, Bert M. Weckhuysen, Paul C. J. Kamer

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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-phenethanol 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.
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Original languageEnglish
Pages (from-to)619-626
Number of pages8
JournalCatalysis Science & Technology
Volume7
Issue number3
Early online date13 Jan 2017
DOIs
Publication statusPublished - 7 Feb 2017

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