Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jorganchem.2005.09.036
Title: Ligand substitution in the heterometallic cluster Cp*IrOs 3(μ-H)2(CO)10
Authors: Srinivasan, P.
Leong, W.K. 
Keywords: Cluster
Fluxional
Heteronuclear
Iridium
Isonitrile
Osmium
Phosphine
Ruthenium
Issue Date: 15-Jan-2006
Source: Srinivasan, P., Leong, W.K. (2006-01-15). Ligand substitution in the heterometallic cluster Cp*IrOs 3(μ-H)2(CO)10. Journal of Organometallic Chemistry 691 (3) : 371-379. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jorganchem.2005.09.036
Abstract: The reactions of the heterometallic cluster Cp*IrOs 3(μ-H)2(CO)10 with phosphines, isonitriles and pyridine under TMNO activation afforded the substitution products Cp*IrOs3(μ-H)2(CO)10-nLn (n = 1, 2; L = PPh3, P(OMe)3, tBuNC, CyNC or py) in good yields. For the monosubstituted derivatives, the substitution site was exclusively at an osmium atom in an axial position for L = phosphine or phosphite. Spectroscopic evidence suggested the presence of isomers in solution for the PPh3 derivative. In contrast, for L = isonitrile, the ligand occupied an equatorial site. In the disubstituted derivatives, the group 15 ligands were coordinated to two different osmium atoms, one each at an axial and an equatorial site. The isomerism and fluxional behaviour of some of these clusters have also been examined. © 2005 Elsevier B.V. All rights reserved.
Source Title: Journal of Organometallic Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/94151
ISSN: 0022328X
DOI: 10.1016/j.jorganchem.2005.09.036
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