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Additives boosting the performance of tungsten imido-mediated ethylene dimerization systems for industrial application.

Messinis, Antonis M. and Wright, William R.H. and Hanton, Martin J. and Dyer, Philip W. (2020) 'Additives boosting the performance of tungsten imido-mediated ethylene dimerization systems for industrial application.', Chemical communications., 56 (50). pp. 6886-6889.

Abstract

While activation of tungsten bis(imido) complexes [WCl2(NAr)2(dme)] with EtAlCl2 affords active, and moderately selective ethylene dimerization catalysts, addition of Et3N or Oct4NCl leads to a doubling in productivity and activity, along with increased selectivity (e.g. >93% C4, >99% 1-C4). The performance of the resulting tungsten-based catalyst package is competitive with that of Axens’ commercialised Ti-based AlphaButol process and exemplifies the wide potential of similar additives in selective oligomerization.

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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1039/D0CC03077E
Publisher statement:This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.
Date accepted:13 May 2020
Date deposited:14 May 2020
Date of first online publication:14 May 2020
Date first made open access:25 June 2020

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