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Catalytic conversion of ethanol to n-butanol using ruthenium P–N ligand complexes

Wingad, Richard L., Gates, Paul J., Street, Steven T. G. and Wass, Duncan F. 2015. Catalytic conversion of ethanol to n-butanol using ruthenium P–N ligand complexes. ACS Catalysis 5 (10) , pp. 5822-5826. 10.1021/acscatal.5b01327

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Abstract

We report several ruthenium catalysts incorporating mixed donor phosphine-amine ligands for the upgrade of ethanol to the advanced biofuel n-butanol, which show high selectivity (≥90%) at good (up to 31%) conversion. In situ formation of catalysts from mixtures of [RuCl2(η6-p-cymene)]2 and 2-(diphenylphosphino)ethylamine (1) shows enhanced activity at initial water concentrations higher than those of our previously reported diphosphine systems. Preliminary mechanistic studies (electrospray ionization mass spectrometry and nuclear magnetic resonance spectroscopy) suggest the possibility of ligand-assisted proton transfer in some derivatives.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: American Chemical Society
ISSN: 2155-5435
Date of First Compliant Deposit: 26 October 2018
Date of Acceptance: 19 August 2015
Last Modified: 26 Nov 2020 12:15
URI: http://orca.cardiff.ac.uk/id/eprint/116216

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