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Issue 1, 2011
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Glycerol eutectics as sustainable solvent systems

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Abstract

In this work the use of glycerol as a hydrogen bond donor in Deep Eutectic Solvents is studied. The physical properties of choline chloride mixtures with glycerol are quantified and it is shown that eutectic mixtures can circumvent some of the difficulties of using glycerol as a solvent viz. high viscosity and high melting point. The solvent properties are characterised using polarity parameters and the values are similar to other ionic liquids although it is shown that this procedure is a poor method of characterising Lewis basicity. The application of these liquids to the esterification of glycerol is used as a demonstration of the ability to tune a reaction with the quaternary ammonium halide acting as a quasi-protecting group. The liquids represent a sustainable way of preparing non-toxic, tuneable solvent systems.

Graphical abstract: Glycerol eutectics as sustainable solvent systems

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Article information


Submitted
04 Aug 2010
Accepted
11 Oct 2010
First published
27 Oct 2010

Green Chem., 2011,13, 82-90
Article type
Paper

Glycerol eutectics as sustainable solvent systems

A. P. Abbott, R. C. Harris, K. S. Ryder, C. D'Agostino, L. F. Gladden and M. D. Mantle, Green Chem., 2011, 13, 82
DOI: 10.1039/C0GC00395F

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