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Direct Fluorination of Cyclic Carbonates and closo-K2[B12H12] in a Slug-Flow Ministructured Reactor

Authors

  • Mathias Hill,

    1. Institut für Anorganische und Analytische Chemie, Freiburger Materialforschungszentrum FMF and Freiburg Institute for Advanced Studies FRIAS, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg i. Br. (Germany), Fax: (+49) 761-203-6001
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  • Patrick Baron,

    1. Institut für Anorganische und Analytische Chemie, Freiburger Materialforschungszentrum FMF and Freiburg Institute for Advanced Studies FRIAS, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg i. Br. (Germany), Fax: (+49) 761-203-6001
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  • Dr. Keith Cobry,

    1. Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität Freiburg, Georges-Köhler-Allee 102, 79110 Freiburg i. Br. (Germany)
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  • Sascha K. Goll,

    1. Institut für Anorganische und Analytische Chemie, Freiburger Materialforschungszentrum FMF and Freiburg Institute for Advanced Studies FRIAS, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg i. Br. (Germany), Fax: (+49) 761-203-6001
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  • Dr. Philipp Lang,

    1. Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität Freiburg, Georges-Köhler-Allee 102, 79110 Freiburg i. Br. (Germany)
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  • Prof. Carsten Knapp,

    1. Fachbereich C, Anorganische Chemie, Bergische Universität Wuppertal, Gaußstrasse 20, 42097 Wuppertal (Germany)
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  • Dr. Harald Scherer,

    1. Institut für Anorganische und Analytische Chemie, Freiburger Materialforschungszentrum FMF and Freiburg Institute for Advanced Studies FRIAS, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg i. Br. (Germany), Fax: (+49) 761-203-6001
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  • Prof. Peter Woias,

    1. Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität Freiburg, Georges-Köhler-Allee 102, 79110 Freiburg i. Br. (Germany)
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  • Pengcheng Zhang,

    1. Institut für Anorganische und Analytische Chemie, Freiburger Materialforschungszentrum FMF and Freiburg Institute for Advanced Studies FRIAS, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg i. Br. (Germany), Fax: (+49) 761-203-6001
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  • Prof. Ingo Krossing

    Corresponding author
    1. Institut für Anorganische und Analytische Chemie, Freiburger Materialforschungszentrum FMF and Freiburg Institute for Advanced Studies FRIAS, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg i. Br. (Germany), Fax: (+49) 761-203-6001
    • Institut für Anorganische und Analytische Chemie, Freiburger Materialforschungszentrum FMF and Freiburg Institute for Advanced Studies FRIAS, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg i. Br. (Germany), Fax: (+49) 761-203-6001
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Abstract

A novel minireactor for direct fluorination of organic and inorganic substances was tested. The reactor consists of nickel-coated copper blocks with mechanically machined 1 mm channels and is equipped with an active cooling system. The direct fluorination of ethylene carbonate and propylene carbonate is described. For the fluorinated propylene carbonate, the NMR data of various fluorinated isomers were determined. The Gibbs reaction energies for the direct fluorination of ethylene and propylene carbonate were calculated at the reliable G3 level of theory. The excellent decomposition stability of the cyclic carbonates against high fluorine and HF concentrations also qualifies them as good solvents for direct fluorination processes, especially for ionic substrates. In this respect, the direct fluorination of the inorganic salt closo-K2[B12H12] in cyclic carbonates is presented.

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