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Issue 1, 2009
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Biodegradable pyridinium ionic liquids: design, synthesis and evaluation

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Abstract

A range of ionic liquids (ILs) with a pyridinium cation were synthesised and their biodegradability was evaluated using the CO2 Headspace test (ISO 14593). ILs bearing an ester side chain moiety were prepared from either pyridine or nicotinic acid and showed high levels of biodegradation under aerobic conditions and can be classified as ‘readily biodegradable’. In contrast, pyridinium ILs with alkyl side chains showed significantly lower levels of biodegradability in the same test. The utility of the biodegradable IL 6c as a reaction solvent for the Diels–Alder reaction was also investigated.

Graphical abstract: Biodegradable pyridinium ionic liquids: design, synthesis and evaluation

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Publication details

The article was received on 10 Jul 2008, accepted on 30 Sep 2008 and first published on 07 Nov 2008


Article type: Paper
DOI: 10.1039/B811814K
Green Chem., 2009,11, 83-90

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    Biodegradable pyridinium ionic liquids: design, synthesis and evaluation

    J. R. Harjani, R. D. Singer, M. T. Garcia and P. J. Scammells, Green Chem., 2009, 11, 83
    DOI: 10.1039/B811814K

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