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1-Octyl-3-(3-(1-methylpyrrolidiniumyl)propyl)imidazolium Bis(trifluoromethane)sulfonimide

Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy
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Molbank 2019, 2019(4), M1089; https://doi.org/10.3390/M1089
Received: 7 October 2019 / Revised: 15 November 2019 / Accepted: 18 November 2019 / Published: 19 November 2019
(This article belongs to the Section Organic Synthesis)
The title compound 1-octyl-3-(3-(1-methylpyrrolidiniumyl)propyl)imidazolium bis(trifluoromethane)sulfonimide was prepared in three steps. This asymmetrical dicationic ionic liquid (ADIL) is composed of two different positively charged head groups (1-octylimidazolium and methylpyrrolidinium cations), which are linked through a propyl alkyl chain and by two bis(trifluoromethane)sulfonimide anions. The final ADIL was obtained by a simple metathesis reaction of the corresponding dibromide ionic liquid, in turn prepared by alkylation of 3-(3-bromopropyl)-1-propylimidazolium bromide. The ADIL structure and those of its precursors were confirmed through NMR and infrared spectroscopy, and the thermal properties of all compounds were evaluated by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Density, solubility, and viscosity were measured for the prepared compounds.
Keywords: ionic liquids (ILs), dicationic ionic liquids (DILs), asymmetrical dicationic ionic liquids (ADILs) ionic liquids (ILs), dicationic ionic liquids (DILs), asymmetrical dicationic ionic liquids (ADILs)
MDPI and ACS Style

Mezzetta, A.; Pomelli, C.S.; D’Andrea, F.; Guazzelli, L. 1-Octyl-3-(3-(1-methylpyrrolidiniumyl)propyl)imidazolium Bis(trifluoromethane)sulfonimide. Molbank 2019, 2019, M1089.

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