Synthesis, spectroscopic and structural characterisation of complexes of the new ditelluroether 1,2-bis(methyltelluromethyl)benzene, o-C6H4(CH2TeMe)(2). X-ray structures of Mn(CO)(3)Cl{o-C6H4(CH2TeMe)(2)} and W(CO)(4){o -C6H4(CH2TeMe)(2)}


Levason, W., Patel, B., Reid, G. and Ward, A. J. (2001) Synthesis, spectroscopic and structural characterisation of complexes of the new ditelluroether 1,2-bis(methyltelluromethyl)benzene, o-C6H4(CH2TeMe)(2). X-ray structures of Mn(CO)(3)Cl{o-C6H4(CH2TeMe)(2)} and W(CO)(4){o -C6H4(CH2TeMe)(2)}. Journal of Organometallic Chemistry, 619, (1-2), 218-225. (doi:10.1016/S0022-328X(00)00659-8).

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Description/Abstract

The synthesis of the new xylyl-backboned ditelluroether, 1,2-bis(methyltelluromethyl)benzene, o-C6H4(CH2TeMe)2 (xyte) is described. A range of complexes — [Mn(CO)3Cl(xyte)], [M(CO)4(xyte)] (M=Mo or W), [M′Cl2(xyte)], [M′(xyte)2][PF6]2 (M′=Pd or Pt), trans-[RuCl2(xyte)2], trans-[OsCl2(xyte)2], [Cu(xyte)2]PF6 and [Ag(xyte)2]CF3SO3, have been prepared and characterised by analysis, IR, UV–visible, and multinuclear NMR spectroscopy. The crystal structure of [Mn(CO)3Cl(xyte)] shows the expected fac geometry with a meso-2 xyte ligand conformation, and the meso-conformation is also found in [W(CO)4(xyte)]. The xyte complexes provide the first detailed studies of a 7-membered ring ditelluroether chelate, and the properties are compared with those of MeTe(CH2)3TeMe or o-C6H4(TeMe)2 to explore the effects of chelate ring size.

Item Type: Article
Related URLs:
Keywords: telluroether, copper, manganese, platinum metal nuclear-magnetic-resonance, transition-metal complexes, m = pd, crystal-structures, donor ligands, multinuclear, selenoether, platinum, te-125, shifts
Subjects: Q Science
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 19549
Date Deposited: 13 Feb 2006
Last Modified: 27 Mar 2014 18:09
URI: http://eprints.soton.ac.uk/id/eprint/19549

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