Mechanism of cellulose dissolution in the ionic liquid 1-n-butyl-3-methylimidazolium chloride: a 13C and 35/37Cl NMR relaxation study on model systems

Richard C. Remsing; Richard P. Swatloski; Robin D. Rogers; Guillermo Moyna

doi:10.1039/B600586C

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Mechanism of cellulose dissolution in the ionic liquid1-n-butyl-3-methylimidazolium chloride: a ¹³C and ^35/37Cl NMR relaxation study on model systems†

Richard C. Remsing,^a Richard P. Swatloski,^bc Robin D. Rogers*^b and Guillermo Moyna*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry & Biochemistry, University of the Sciences in Philadelphia, Philadelphia, USA
E-mail: g.moyna@usip.edu

^b Center for Green Manufacturing and Department of Chemistry, The University of Alabama, Tuscaloosa, USA
E-mail: rdrogers@bama.ua.edu

^c 525Solutions, Inc., P.O. Box 861395, Tuscaloosa, USA

Abstract

¹³C and ^35/37Cl NMR relaxation measurements on several model systems demonstrate that the solvation of cellulose by the ionic liquid (IL) 1-n-butyl-3-methylimidazolium chloride ([C₄mim]Cl) involves hydrogen-bonding between the carbohydrate hydroxyl protons and the IL chloride ions in a 1 ∶ 1 stoichiometry.

This article is part of the themed collection: ChemComm 60th Anniversary Historic Papers from North America

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Supplementary files

Complete ¹³C and ^35/37Cl relaxation and spectral data and derivation of interaction stoichiometry equations PDF (927K)

Article information

DOI: https://doi.org/10.1039/B600586C
Article type: Communication
Submitted: 27 ⴷⵓⵊ 2005
Accepted: 23 ⵉⵏⵏ 2006
First published: 09 ⴱⵕⴰ 2006

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Chem. Commun., 2006, 1271-1273

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Mechanism of cellulose dissolution in the ionic liquid 1-n-butyl-3-methylimidazolium chloride: a ¹³C and ^35/37Cl NMR relaxation study on model systems

R. C. Remsing, R. P. Swatloski, R. D. Rogers and G. Moyna, Chem. Commun., 2006, 1271 DOI: 10.1039/B600586C

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