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

Vannia C. dos Santos, Lee J. Durndell, Mark A. Isaacs, Christopher M.A. Parlett, Karen Wilson, Adam F. Lee*

*Corresponding author for this work

Research output: Contribution to journalArticle

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.
Original languageEnglish
Pages (from-to)16-20
Number of pages5
JournalCatalysis Communications
Volume91
Early online date6 Dec 2016
DOIs
Publication statusPublished - 5 Mar 2017

Bibliographical note

© 2016, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Funding: EPSRC (EP/K000616/2 and EP/K014749/1); EU FP7/2007-2013 (604307); and CNPq (a postdoctoral scholarship).

Supplementary data available on the journal website.

Keywords

  • tungsten
  • biofuels
  • carboxylic acid
  • esterification
  • sulfides

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