Syntheses, structures and redox properties of {Os(PPh3)(2)Cp}(2){mu-(C C)(x)} (x=2, 3, 4): Comparisons with the Ru analogues

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Type:	Journal article
Title:	Syntheses, structures and redox properties of {Os(PPh3)(2)Cp}(2){mu-(C C)(x)} (x=2, 3, 4): Comparisons with the Ru analogues
Author:	Bruce, M. Kramarczuk, K. Skelton, B. White, A.
Citation:	Journal of Organometallic Chemistry, 2010; 695(3):469-473
Publisher:	Elsevier Science Sa
Issue Date:	2010
ISSN:	0022-328X 1872-8561
Statement of Responsibility:	Michael I. Bruce, Kathy A. Kramarczuk, Brian W. Skelton and Allan H. White
Abstract:	The syntheses of {Os(PPh3)2Cp}2{μ-(C{triple bond, long}C)x} (x = 2, 3, 4) from reactions between OsBr(PPh3)2Cp* and Me3Si(C{triple bond, long}C)xSiMe3 in the presence of KF/NaBPh4 are described. The molecular structure of x = 3 has been determined by a single-crystal XRD study. Comparison of the redox properties of {M(PPh3)2Cp}2{μ-(C{triple bond, long}C)x} (M = Ru, Os) shows that the oxidation potentials of the osmium complexes are invariably lower (by between 0.16 and 0.64 V) than those of the Ru analogues. © 2009 Elsevier B.V. All rights reserved.
Keywords:	Ruthenium Osmium Crystal structure Carbon chain
Rights:	Copyright © 2009 Elsevier B.V. All rights reserved.
DOI:	10.1016/j.jorganchem.2009.10.043
Grant ID:	ARC
Published version:	http://dx.doi.org/10.1016/j.jorganchem.2009.10.043
Appears in Collections:	Aurora harvest Chemistry and Physics publications

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