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

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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

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Publication details

The article was received on 16 May 2017, accepted on 09 Sep 2017 and first published on 12 Sep 2017


Article type: Paper
DOI: 10.1039/C7NJ01691C
Citation: New J. Chem., 2017, Advance Article
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    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, Advance Article , DOI: 10.1039/C7NJ01691C

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