Issue 20, 2017

New route to carbonate-functionalized imidazolium and pyrrolidinium-based ionic liquids

Abstract

A new, versatile, and green route to access ionic liquids containing carbonate groups, including 1-[2-(propyloxycarbonyloxy)ethyl]-3-methyl imidazolium and N-methyl-N-[2-(propyl-oxcarbonyl) ethyl] pyrrolidinium associated with a bis(trifluoromethane)sulfonimide anion, [C1(C2O(CO)OC3)Im][NTf2] (4) and [C1(C2O(CO)OC3)Py][NTf2] (5), has been developed and characterized. The key point of this route is to avoid the metathesis reaction step with LiNTf2, which could result in ionic liquids that are highly contaminated with LiCl salt through the coordination of lithium ions by the carbonate group.

Graphical abstract: New route to carbonate-functionalized imidazolium and pyrrolidinium-based ionic liquids

Supplementary files

Article information

Article type
Paper
Submitted
16 May 2017
Accepted
09 Sep 2017
First published
12 Sep 2017

New J. Chem., 2017,41, 11915-11920

New route to carbonate-functionalized imidazolium and pyrrolidinium-based ionic liquids

H. Srour, W. Darwich, F. Lindl, P. Husson, H. Rouault and C. Santini, New J. Chem., 2017, 41, 11915 DOI: 10.1039/C7NJ01691C

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