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Issue 8, 2013
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A dinuclear silver hydride and an umpolung reaction of CO2

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Abstract

A triangular [Ag2H]+ core is stabilised by the N-heterocyclic carbene (NHC) ligand 1,3-bis(2,6-diisopropylphenyl)imidazolin-2-ylidene (SIDipp). The X-ray crystal structure of this complex reveals a short silver–silver distance, and 109Ag NMR spectroscopy shows substantial coupling between the silver nuclei. The complex persists for hours in solution after exposure to air and moisture. When carbon dioxide is added in the form of a Lewis-basic NHC adduct, a rapid reaction results in hydride transfer to form a bis(NHC)silver(I) formate.

Graphical abstract: A dinuclear silver hydride and an umpolung reaction of CO2

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Publication details

The article was received on 03 Apr 2013, accepted on 07 May 2013 and first published on 07 May 2013


Article type: Edge Article
DOI: 10.1039/C3SC50896J
Chem. Sci., 2013,4, 3068-3074

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    A dinuclear silver hydride and an umpolung reaction of CO2

    B. K. Tate, C. M. Wyss, J. Bacsa, K. Kluge, L. Gelbaum and J. P. Sadighi, Chem. Sci., 2013, 4, 3068
    DOI: 10.1039/C3SC50896J

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