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Synthesis of halogeno, pseudohalogeno, and carboxylatopalladium(IV) complexes by halogen exchange. Crystal structure of azido(2,2’-bipyridyl)benzylpalladium( II), formed on reductive elimination of ethane from Pd(N3)Me2(CH2Ph)(bpy)

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Canty, AJ and Traill, PR and Skelton, BW and White, AH (1992) Synthesis of halogeno, pseudohalogeno, and carboxylatopalladium(IV) complexes by halogen exchange. Crystal structure of azido(2,2’-bipyridyl)benzylpalladium( II), formed on reductive elimination of ethane from Pd(N3)Me2(CH2Ph)(bpy). Journal of Organometallic Chemistry, 433 (1-2). pp. 213-222. ISSN 0022-328X

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Abstract

The first examples of fluoro, pseudohalogeno, and carboxylatopalladium(IV) complexes have been obtained by the exchange of the bromo ligand in PdBrMe2(CH2Ph)(bpy) (bpy = 2,2’-bipyridyl) on addition of a silver salt, or silver nitrate and the appropriate anion, in acetonitrile. The syntheses have permitted a study of the effect of groups X on the selectivity in reductive elimination of ethane and ethylbenzene from PdXMe2(CH2Ph)(bpy). For X = Br, N3, SCN, or O2CPh, reductive elimination from the unstable palladium(IV) complexes in acetone gives ethane and PdX(CH2Ph)(bpy) only, but these products together with ca. 10% of ethylbenxene and PdXMe(bpy) are formed from the complexes PdXMe2(CH2Ph)(bpy) (X = F, Cl, I, OCN, SeCN, O2CCF3). The binding mode of the ambidentate pseudohalides OCN-, SCN- and SeCN- has not been determined.

Item Type: Article
Journal or Publication Title: Journal of Organometallic Chemistry
Page Range: pp. 213-222
ISSN: 0022-328X
Identification Number - DOI: 10.1016/0022-328X(92)80143-L
Additional Information: The definitive version is available at http://www.sciencedirect.com
Date Deposited: 04 Feb 2008 04:55
Last Modified: 18 Nov 2014 03:27
URI: http://eprints.utas.edu.au/id/eprint/2955
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