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Issue 1, 2016
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Biosourced 1,2,3-triazolium ionic liquids derived from isosorbide

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Abstract

Two series of 1,2,3-triazolium chiral ionic liquid (CIL) stereoisomers are synthesized from isosorbide by combining the robust attributes of the copper(I)-catalyzed azide–alkyne cycloaddition (CuAAC), alkylation of the resulting 1,2,3-triazoles by methyl iodide and further anion metathesis with different fluorinated salts. These novel biosourced CILs are characterized in details by 1H and 13C NMR spectroscopy, high-resolution mass spectrometry (ESI-HRMS), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and broadband dielectric spectroscopy (BDS). The effect of stereochemistry on their physical, thermal and ion conducting properties is discussed. Markedly, it is demonstrated for the first time that stereochemistry can drastically influence ionic conductivity by several orders of magnitude.

Graphical abstract: Biosourced 1,2,3-triazolium ionic liquids derived from isosorbide

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Supplementary files

Article information


Submitted
29 Sep 2015
Accepted
12 Nov 2015
First published
16 Nov 2015

New J. Chem., 2016,40, 740-747
Article type
Paper

Biosourced 1,2,3-triazolium ionic liquids derived from isosorbide

M. M'sahel, M. M. Obadia, R. Medimagh, A. Serghei, M. Said Zina and E. Drockenmuller, New J. Chem., 2016, 40, 740
DOI: 10.1039/C5NJ02660A

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