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Issue 2, 2008

Reductive disproportionation of carbon dioxide to carbonate and squarate products using a mixed-sandwich U(III) complex

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Abstract

The mixed-sandwich U(III) complexes [U(η-C8H6{SiiPr3-1,4}2)(η-CpR)(THF)] (R = Me5, Me4H) react with CO2 to give free CO and the U(IV) carbonate products [U(η-C8H6{SiiPr3-1,4}2)(η-CpR)]2(μ-η12-CO3)]; the latter has been structurally characterised for R = Me4H; a 25% molar excess of the U(III) reductant gives a mixture of the carbonate and squarate [U(η-C8H6{SiiPr3-1,4}2)(η-C5Me4H)]2(μ-η22-C4O4) products—the first synthesis of an oxocarbon from a CO2 carbon source.

Graphical abstract: Reductive disproportionation of carbon dioxide to carbonate and squarate products using a mixed-sandwich U(iii) complex

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Publication details

The article was received on 05 Sep 2008, accepted on 24 Oct 2008 and first published on 11 Nov 2008


Article type: Communication
DOI: 10.1039/B815576C
Citation: Chem. Commun., 2008
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    Reductive disproportionation of carbon dioxide to carbonate and squarate products using a mixed-sandwich U(III) complex

    O. T. Summerscales, A. S. P. Frey, F. G. N. Cloke and P. B. Hitchcock, Chem. Commun., 2008
    DOI: 10.1039/B815576C

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