NDLI: Novel Cyclic Sulfonium-Based Ionic Liquids: Synthesis, Characterization, and Physicochemical Properties

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Year: 2009 Volume: 15 Issue: 2

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Novel Cyclic Sulfonium-Based Ionic Liquids: Synthesis, Characterization, and Physicochemical Properties

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Chen, Zhengjian Zhang, Qinghua Li, Zuopeng Liu, Shimin Wang, Ruifeng Lu, Liujin Deng, Youquan Li, Jian
Description	Author Affiliation: Zhang Q ( Centre for Green Chemistry and Catalysis, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.)
Abstract	A new series of ionic liquids composed of three cyclic sulfonium cations and four anions has been synthesized and characterized. Their physicochemical properties, including their spectroscopic characteristics, ion cluster behavior, surface properties, phase transitions, thermal stability, density, viscosity, refractive index, tribological properties, ion conductivity, and electrochemical window have been comprehensively studied. Eight of these salts are liquids at room temperature, at which some salts based on $[NO_{3}]^{−}$ and $[NTf_{2}]^{−}$ ions exhibit organic plastic crystal behaviors, and all the saccharin-based salts display relatively high refractive indices (1.442–1.594). In addition, some ionic liquids with the $[NTf_{2}]^{−}$ ion exhibit peculiar spectroscopic characteristics in FTIR and UV/Vis regions, whilst those salts based on the $[DCA]^{−}$ ion show lower viscosities (34.2–62.6 mPa s at 20 °C) and much higher conductivities $(7.6–17.6 mS cm^{−1}$ at 20 °C) than most traditional 1,3-dialkylimidazolium salts.
ISSN	09476539
e-ISSN	15213765
Journal	Chemistry - A European Journal
Issue Number	3
Volume Number	15
Language	English
Publisher	Wiley-VCH;ChemPubSoc Europe
Publisher Date	2009-01-01
Publisher Place	Germany
Access Restriction	Open
Subject Keyword	Cations Chemistry Ionic Liquids Sulfonium Compounds Electric Conductivity Electrochemistry Chemical Synthesis Magnetic Resonance Spectroscopy Spectroscopy, Fourier Transform Infrared Transition Temperature Viscosity Research Support, Non-U.S. Gov't
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Catalysis

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