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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 42, 2012 - Issue 22
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Original Articles

Synthesis and Characterization of Ammonium-, Pyridinium-, and Pyrrolidinium-Based Sulfonamido Functionalized Ionic Liquids

Shunmugavel Saravanamurugan Centre for Catalysis and Sustainable Chemistry, Department of Chemistry, Technical University of Denmark, Lyngby, Denmark
,
Rasmus Fehrmann Centre for Catalysis and Sustainable Chemistry, Department of Chemistry, Technical University of Denmark, Lyngby, Denmark
&
Anders Riisager Centre for Catalysis and Sustainable Chemistry, Department of Chemistry, Technical University of Denmark, Lyngby, DenmarkCorrespondence[email protected]
Pages 3383-3394 | Received 08 Mar 2011, Published online: 18 Jul 2012
 
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Abstract

New homologous ammonium-, pyridinium-, and pyrrolidinium-based sulfonamido functionalized ionic liquids have been synthesized in two steps using monoethanolamine, methanesulfonyl chloride, and tosyl chloride as precursors with ethanol as solvent. Attempts to synthesize dual amino functionalized ionic liquid containing both a primary and a secondary amine group in the same ionic liquid are also reported. All functionalized ionic liquids were characterized by 1H and 13C NMR. Melting point and thermal stability of the functionalized ionic liquids were measured by differential scanning calorimetry and thermogravimetric analysis.

GRAPHICAL ABSTRACT

ACKNOWLEDGMENT

This work was financially supported by the Danish Strategic Research Agency, Dong Energy A/S, and Vattenfall A/S.

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