Triruthenium cluster complexes of C60 and C70 : Carbonyl site exchange probed via triphenylphosphine ligand derivatives

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Title:	Triruthenium cluster complexes of C60 and C70 : Carbonyl site exchange probed via triphenylphosphine ligand derivatives
Authors:	徐秀福;Hsu, Hsiu-Fu;Shapley, John R.
Contributors:	淡江大學化學學系
Keywords:	Fullerene complexes;Carbon-60;Carbon-70;Ruthenium;Cluster;Dynamic NMR
Date:	2000-04-09
Issue Date:	2009-12-01
Publisher:	Elsevier
Abstract:	Carbon NMR data obtained for the fullerene complexes Ru3(CO)9(μ3-η2, η2, η2-C60) (1) and Ru3(CO)9(μ3-η2, η2, η2-C70) (2) suggest the operation of fluxional processes. Triphenylphosphine-substituted derivatives of 1 and 2 have been prepared by heating the fullerene complex with PPh3 in chlorobenzene at 130°C for a brief period. The individual mono- and disubstituted derivatives have been purified by thin-layer chromatography and identified by their infrared and FAB mass spectra, and their dynamic behavior has been probed by 31P- and 13C-NMR spectroscopy. Restricted three-fold rotations at each metal center are indicated for these derivatives.
Relation:	Journal of organometallic chemistry 599(1), pp.97-105
DOI:	10.1016/S0022-328X(00)00016-4
Appears in Collections:	[Graduate Institute & Department of Chemistry] Journal Article

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