High-Nuclearity Ruthenium Carbonyl Cluster Chemistry. 2. Reaction of [Ru<sub>2</sub>(μ-H)(μ-NC<sub>5</sub>H<sub>4</sub>)<sub>2</sub>(CO)<sub>4</sub>(NC<sub>5</sub>H<sub>5</sub>)<sub>2</sub>][Ru<sub>10</sub>(μ-H)(μ<sub>6</sub>-C)(CO)<sub>24</sub>] with Triphenylphosphine: Stepwise Apical Substitution on a “Giant Tetrahedral” Cluster
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Cifuentes, Marie P.
Humphrey, Mark G.
Skelton, Brian W.
White, Allan H.
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The (hydrido)(carbido)decaruthenium cluster anion [Ru10(μ-H)(μ6-C)(CO)24]- reacts with triphenylphosphine in a stepwise manner to afford [Ru10(μ-H)(μ6-C)-(CO)24-xPPh3)]- (x = 1–4), with initial ligand displacement on the apical ruthenium associated with the hydride ligand and subsequent ligand substitution at the other apices; the location of the phosphine substituent of the monosubstituted cluster anion [Ru10(μ-H)(μ6-C)-(CO)23PPh3)]- has been confirmed by a single crystal X-ray diffraction study.
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Organometallics
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