Access to divalent lanthanide NHC complexes by redox-transmetallation from silver and CO2 insertion reactions
Chemical Communications2018Vol. 55(2), pp. 222–225
Citations Over TimeTop 10% of 2018 papers
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%.
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