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Access to divalent lanthanide NHC complexes by redox-transmetallation from silver and CO2 insertion reactions

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Abstract

Through a redox-transmetallation procedure, divalent NHC–LnII (NHC = N-heterocyclic carbene; Ln = Eu, Yb) complexes were obtained from the corresponding NHC–AgI. The lability of the NHC–LnII bond was investigated and treatment with CO2 led to insertion reactions without oxidation of the metal centre. The EuII complex [EuI2(IMes)(THF)3] (IMes = 1,3-dimesitylimidazol-2-ylidene) exhibits photoluminescence with a quantum yield reaching 53%.

Graphical abstract: Access to divalent lanthanide NHC complexes by redox-transmetallation from silver and CO2 insertion reactions

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Publication details

The article was received on 10 Oct 2018, accepted on 20 Nov 2018 and first published on 07 Dec 2018


Article type: Communication
DOI: 10.1039/C8CC08120D
Citation: Chem. Commun., 2019, Advance Article
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    Access to divalent lanthanide NHC complexes by redox-transmetallation from silver and CO2 insertion reactions

    T. Simler, T. J. Feuerstein, R. Yadav, M. T. Gamer and P. W. Roesky, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C8CC08120D

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