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Issue 90, 2015
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Access to pure and highly volatile hydrochalcogenide ionic liquids

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Abstract

The reaction of methylcarbonate ionic liquids with H2S or H2Se offers a highly selective synthesis of analytically pure, well-defined and soluble hydrosulphide and hydroselenide organic salts of general interest. Among them, imidazolium hydrochalcogenides show an astonishingly high volatility for cation-aprotic ILs, which allows their quantitative sublimation below 100 °C/10−2 mbar and actually results in ionic single crystal growth from the gas phase. Vaporisation and decomposition characteristics were investigated by isothermal TGA measurements and DFT calculations.

Graphical abstract: Access to pure and highly volatile hydrochalcogenide ionic liquids

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Publication details

The article was received on 24 Jul 2015, accepted on 03 Sep 2015 and first published on 03 Sep 2015


Article type: Communication
DOI: 10.1039/C5CC06224A
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Chem. Commun., 2015,51, 16169-16172
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    Access to pure and highly volatile hydrochalcogenide ionic liquids

    L. H. Finger, F. Wohde, E. I. Grigoryev, A.-K. Hansmann, R. Berger, B. Roling and J. Sundermeyer, Chem. Commun., 2015, 51, 16169
    DOI: 10.1039/C5CC06224A

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