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Palladium-osmium heterometallic clusters containing N-heterocyclic carbene ligands
Y. Liu, , H.V. Huynh, W.K. Leong
Published in American Chemical Society
Volume: 32
Issue: 24
Pages: 7559 - 7563
The room-temperature reaction of [Os3(CO)12] with [PdCl(allyl)(NHC)], where NHC (N-heterocyclic carbene) = SIPr [N,N′-bis(2,6-diisopropylphenyl)imidazolidin-2-ylidene] or IPr [N,N′-bis(2,6-diisopropylphenyl)imidazolin-2-ylidene], afforded Pd-Os mixed metal clusters with formulas of [PdnOs3(CO) 12(NHC)n] (n = 1-3). These are the first examples of Pd-Os heterometallic clusters containing NHC ligands, and they have all been structurally characterized. In all these clusters, the metal cores are raftlike, with carbonyl ligands bridging all the Os-Pd edges. © 2013 American Chemical Society.
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