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Issue 69, 2012
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Uranium-mediated reductive conversion of CO2 to CO and carbonate in a single-vessel, closed synthetic cycle

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Abstract

The new neopentyl (Neop)-substituted tris(aryloxide) U(III) complex [((Neop,MeArO)3tacn)UIII] reacts with CO2 to form CO and the bridging carbonate complex [{((Neop,MeArO)3tacn)UIV}2(μ-CO3)]. The uranium(IV) bridging oxo [{((Neop,MeArO)3tacn)UIV}2(μ-O)] has been determined to be the intermediate in this reaction. For the first time, both U(IV) complexes can be reduced back to the U(III) starting material. Thus, with KC8 as reductant, [((Neop,MeArO)3tacn)UIII] engages in a synthetic cycle, in which CO2 is converted to CO and CO32−.

Graphical abstract: Uranium-mediated reductive conversion of CO2 to CO and carbonate in a single-vessel, closed synthetic cycle

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Publication details

The article was received on 09 Jun 2012, accepted on 09 Jul 2012 and first published on 10 Jul 2012


Article type: Communication
DOI: 10.1039/C2CC34150F
Citation: Chem. Commun., 2012,48, 8634-8636
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    Uranium-mediated reductive conversion of CO2 to CO and carbonate in a single-vessel, closed synthetic cycle

    A. Schmidt, A. V. Nizovtsev, A. Scheurer, F. W. Heinemann and K. Meyer, Chem. Commun., 2012, 48, 8634
    DOI: 10.1039/C2CC34150F

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