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Title: A Hydronium Solvate Ionic Liquid: Facile Synthesis of Air-Stable Ionic Liquid with Strong Bronsted Acidity
Authors: Kitada, Atsushi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-4387-8687 (unconfirmed)
Takeoka, Shun
Kintsu, Kohei
Fukami, Kazuhiro  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-9120-5578 (unconfirmed)
Saimura, Masayuki
Nagata, Takashi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-3733-2709 (unconfirmed)
Katahira, Masato  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0003-0336-7660 (unconfirmed)
Murase, Kuniaki  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-7564-9416 (unconfirmed)
Author's alias: 北田, 敦
竹岡, 駿
近都, 康平
深見, 一弘
永田, 崇
片平, 正人
邑瀬, 邦明
Keywords: acidity
hydronium
solvate ionic liquid
Issue Date: 22-Feb-2018
Publisher: The Electrochemical Society
Journal title: Journal of the Electrochemical Society
Volume: 165
Issue: 3
Start page: H121
End page: H127
Abstract: A new kind of ionic liquid (IL) with strong Brønsted acidity, i.e., a hydronium (H₃O⁺) solvate ionic liquid, is reported. The IL can be described as [H₃O⁺·18C6]Tf₂N, where water exists as the H₃O⁺ ion solvated by 18-crown-6-ether (18C6), of which the counter anion is bis(trifluoromethylsulfonyl)amide (Tf₂N⁻; Tf = CF₃SO₂). The hydrophobic Tf₂N⁻ anion makes [H₃O⁺·18C6]Tf₂N, evaluated using the indicator method, is a new record for ILs and indicates strong aciditiy. The findings regarding this proton-condensed solvate IL are of fundamental interest, and will help in the design of media for new acid-base reactions.
Description: This was Paper 3475 presented at the Honolulu, Hawaii, Meeting of the Society, October 2–7, 2016.
Rights: © The Author(s) 2018. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited.
URI: http://hdl.handle.net/2433/240665
DOI(Published Version): 10.1149/2.0481803jes
Appears in Collections:Journal Articles

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