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Grafting {Cp*Rh}(2+) on the surface of Nb and Ta Lindqvist-type POM.

著者 Abramov PA , Sokolov MN , Virovets AV , Floquet S , Haouas M , Taulelle F , Cadot E , Vicent C , Fedin VP
Dalton Trans.2014 Dec 18 ; ():.
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New hybrid POM based on Lindqvist-type polyoxometalates [M6O19](8-) (M = Nb, Ta) and organometallic fragment {Cp*Rh}(2+) have been isolated and characterized. X-ray quality crystals of K4[(Cp*Rh)2Nb6O19]·20H2O () and Cs4[(Cp*Rh)2Ta6O19]·18H2O () were obtained from solutions with {Cp*Rh} : [M6O19](8-) stoichiometry 2 : 1. The solution behavior of the hybrid polyoxoanions was studied with ESI-MS and (1)H DOSY NMR. Amongst the poorly investigated chemistry of polyoxotantalates, complex is the first complex bearing a grafted organometallic fragment. The formation of 1 : 1 complexes was detected by ESI-MS techniques.
PMID: 25519849 [PubMed - as supplied by publisher]
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