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Synthesis and spectroscopic characterisation of tritelluroether, triselenoether, and trithioether complexes of Cr(0), Mo(0) and W(0)

Record type: Article

The complexes fac-[M(CO)(3)L-3] (M = Mo or W, L-3 = MeC(CH2SMe)(3), MeC(CH2SeMe)(3) or MeC(CH2TeMe)(3)) have been prepared from [M(CO)(3)(MeCN)(3)] and characterised by analysis, FAB mass spectrometry, IR, H-1, C-13{H-1}, Se-77, Te-125 and Mo-95 NMR spectroscopies. The complexes are prone to decomposition in solution into tetracarbonyls, and attempts to isolate [Cr(CO)(3)L-3] have been unsuccessful. The complexes cis-[Cr(CO)(4){eta(2)-MeC(CH2SMe)(3)}], cis-[Mo(CO)(4)(eta(2)-MeC(CH2SeMe)(3)}] and the robust [M(CO)(4)(S-3)] (M = Cr, Mo or W, S-3 = 1,4,7-trithiacyclononane or 1,4,7-trithiacyclodecane) have been similarly characterised.

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Citation

Barton, A. J., Connolly, J., Levason, W., Mendia-Jalon, A., Orchard, S. D. and Reid, G. (2000) Synthesis and spectroscopic characterisation of tritelluroether, triselenoether, and trithioether complexes of Cr(0), Mo(0) and W(0) Polyhedron, 19, (11), pp. 1373-1379. (doi:10.1016/S0277-5387(00)00425-3).

More information

Published date: 15 June 2000
Keywords: selenoether, telluroether, sulfur macrocycles, chromium, molybdenum, tungstennuclear magnetic-resonance, metal-carbonyls, ligands, 3, 7, 11, 15, 15-octamethyl-1, 5, 9, 13-tetrathiacyclohexadecane, ditelluroether, substitution, thioethers, ether

Identifiers

Local EPrints ID: 18878
URI: http://eprints.soton.ac.uk/id/eprint/18878
ISSN: 0277-5387
PURE UUID: 30d7b50c-a796-4c5c-af79-b979626a5d3b

Catalogue record

Date deposited: 16 Dec 2005
Last modified: 17 Jul 2017 16:34

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Contributors

Author: A. J. Barton
Author: J. Connolly
Author: W. Levason
Author: A. Mendia-Jalon
Author: S. D. Orchard
Author: G. Reid

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