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

Synthesis and spectroscopic characterisation of tritelluroether, triselenoether, and trithioether complexes of Cr(0), Mo(0) and W(0)
Synthesis and spectroscopic characterisation of tritelluroether, triselenoether, and trithioether complexes of Cr(0), Mo(0) and W(0)
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.
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
0277-5387
1373-1379
Barton, A. J.
6c99126a-dfee-461b-8999-f65cbff4b1aa
Connolly, J.
8ca87f1d-6876-49f2-8b7d-9b657cea7c12
Levason, W.
2388863a-5332-4ce5-8264-572fd8ee7d82
Mendia-Jalon, A.
7a42a2bb-5808-4827-a05f-2077f01c706e
Orchard, S. D.
90cbc344-8d53-406f-acf4-ad93cef1ddae
Reid, G.
ff85ed93-1d4e-4c2b-a9b7-d927a61c4abe
Barton, A. J.
6c99126a-dfee-461b-8999-f65cbff4b1aa
Connolly, J.
8ca87f1d-6876-49f2-8b7d-9b657cea7c12
Levason, W.
2388863a-5332-4ce5-8264-572fd8ee7d82
Mendia-Jalon, A.
7a42a2bb-5808-4827-a05f-2077f01c706e
Orchard, S. D.
90cbc344-8d53-406f-acf4-ad93cef1ddae
Reid, G.
ff85ed93-1d4e-4c2b-a9b7-d927a61c4abe

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), 1373-1379. (doi:10.1016/S0277-5387(00)00425-3).

Record type: Article

Abstract

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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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: https://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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