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A new application for transition metal chalcogenides: WS2 catalysed esterification of carboxylic acids

dos Santos, VC; Durndell, LJ; Isaacs, MA; Parlett, CMA; Wilson, K; Lee, AF; (2017) A new application for transition metal chalcogenides: WS2 catalysed esterification of carboxylic acids. Catalysis Communications , 91 pp. 16-20. 10.1016/j.catcom.2016.12.003. Green open access

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Abstract

The first application of WS2, a well-known graphene analogue, as a solid acid catalyst for carboxylic acid esterification is reported. WS2 exhibits excellent specific activities and high conversion to methyl esters of (65–90%) for C2–C16 carboxylic acid esterification with methanol under mild conditions, with Turnover Frequencies between 80 and 180 h− 1, and outstanding water tolerance even under equimolar water spiking. WS2 also exhibits good stability towards methyl propanoate in the continuous esterification of propanoic acid, and is a promising candidate for biofuels production.

Type: Article
Title: A new application for transition metal chalcogenides: WS2 catalysed esterification of carboxylic acids
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.catcom.2016.12.003
Publisher version: https://doi.org/10.1016/j.catcom.2016.12.003
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Tungsten, Sulfide, Esterification, Carboxylic acid, Biofuels
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/10067796
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