Microwave-Assisted Synthesis and Spectral Identification of 1-Butyl-3- methylimidazolium bis(trifluoromethanesulfonyl)imide [Bmim]NTf2 Ionic Liquid
Corresponding Author(s) : Yongqing Su
su_yongqing@yahoo.com
Asian Journal of Chemistry,
Vol. 23 No. 10 (2011): Vol 23 Issue 10
Abstract
In this work, 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide ([Bmim]NTf2), a room-temperature ionic liquid, was synthesized by two-step method. Firstly, the ionic liquid intermediate, alkylimidazolium containing bromo anion ([Bmim]Br) was synthesized from 1-methylimidazole (C4H6N2) and 1-butyl bromide under microwave irradiation. Then [Bmim]Br reacted with lithium bis(trifluoromethanesulfony)imide (Li(CF3SO2)2N)to be [Bmim]NTf2. The structure of [Bmim]NTf2 was characterized and analyzed by 1H NMR, infrared spectrum and UV-VIS spectrum
Keywords
Ionic liquids
[Bmim]NTf2
Microwave irradiation
Synthesis
Spectral identification
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Wang, P.; Yang, M.; Su, Y.; Li, C. Microwave-Assisted Synthesis and Spectral Identification of 1-Butyl-3- Methylimidazolium bis(trifluoromethanesulfonyl)imide [Bmim]NTf2 Ionic Liquid. ajc 2011, 23, 4355-4357.
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