Basic Ionic Liquid Gels for Catalysis: Application to the Hydrogen Borrowing Mediated Dehydration of 1,3-Propanediol.

Kyra Bothwell, Fabio Lorenzini, Ellen Mathers, Patricia Marr, Andrew Marr

Research output: Contribution to journalArticle

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Abstract

The application of basic ionic liquid gels (BILGs) as recyclable promoters of hydrogen borrowing chemistry was investigated. The hydrogen transfer initiated dehydration of 1,3-propanediol to propanal was catalysed by a [Cp*IrCl2(NHC)] complex promoted by BILGs containing [P6,6,6,14][OH]. Gels comprising a mixture of basic and hydrophobic ionic liquids gave the best results. The reaction proceeded in the ionic liquid [C2mmim][NTf2] enabling the continuous removal of propanal under reduced pressure. Tuning of the composition of the BILG led to a catalytic system that exhibited excellent conversion, selectivity and good recyclability.
Original languageEnglish
JournalACS Sustainable Chemistry & Engineering
Early online date24 Dec 2018
DOIs
Publication statusEarly online date - 24 Dec 2018

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