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Z. Naturforsch. 2013, 68b, 598 – 604
doi:10.5560/ZNB.2013-3032
Synthesis and Characterization of Imidazolium Perrhenate Ionic Liquids
Shuang Yue1,2, Da-Wei Fang1, Jun Li1, Shu-Liang Zang2,3, Ming-Dong Zhou2,3, Bo Zhang2, Iulius I. E. Markovits2, Mirza Cokoja2, and Fritz E. Kühn2
1 Institute of Rare and Scattered Elements Chemistry, Liaoning University, Chongshan Middle Road, No. 66, 110036 Shenyang, P. R. China
2 Chair of Inorganic Chemistry/Molecular Catalysis, Catalysis Research Center, Technische Universität München, Ernst-Otto-Fischer-Straße 1, D-85747 Garching bei München, Germany
3 School of Chemical and Materials Science, Liaoning Shihua University, Dandong Road, No.1, 113001 Fushun, P. R. China
Reprint requests to Prof. S.-L. Zang or Prof. F. E. Kühn. Tel: +49 89 289 13081. Fax: +86 24 622 02006 or +49 89 289 13473. E-mail: slzang@lnu.edu.cn or fritz.kuehn@ch.tum.de
Received January 30, 2013 / published online Juli 2, 2013
Dedicated to Professor Heinrich Nöth on the occasion of his 85th birthday
A series of air- and water-stable imidazolium perrhenate-based room-temperature ionic liquids [(RT)ILs] of the type [Cnmim][ReO4] (Cnmim = 1-CnH2n+1-3-methylimidazolium, n = 2, 4, 5, 6, 8, 10, 12) have been synthesized and characterized by 1H and 13C NMR spectroscopy, IR spectroscopy, electrospray ionization mass spectrometry (ESI-MS), and elemental analysis (EA). The effect of the variation of the alkyl chain length on physical properties such as melting point, thermal stability, density, and conductivity was examined.
Key words: Ionic Liquids, Physical Properties, Perrhenate, Rhenium, Synthesis
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ZNB130032-ESM.pdf