Hypervalent tellurium compounds containing N -> Te intramolecular interactions. Crystal and molecular structure of 2-(Me2NCH2)C6H4 (2)Te-2, 2-(Me2NCH2)C6H4 TeS(S)PR2 (R = Me, Ph, OPri) and 2-(Me2NCH2)C6H4 Te-S-PPh2=N-PPh2=S


Drake, J. E., Hursthouse, M. B., Kulcsar, M., Light, M. E. and Silvestru, A. (2001) Hypervalent tellurium compounds containing N -> Te intramolecular interactions. Crystal and molecular structure of 2-(Me2NCH2)C6H4 (2)Te-2, 2-(Me2NCH2)C6H4 TeS(S)PR2 (R = Me, Ph, OPri) and 2-(Me2NCH2)C6H4 Te-S-PPh2=N-PPh2=S. Journal of Organometallic Chemistry, 623, (1-2), 153-160. (doi:10.1016/S0022-328X(00)00739-7).

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Description/Abstract

[2-(Me2NCH2)C6H4]TeS(S)PR2 [R = Me (2), Et (3), Ph (4), OPr' (5)] were prepared by reacting [2-(Me2NCH2)C6H4](2)Te-2 (1) with the appropriate disulfanes, [R2P(S)S](2), while [2-(Me2NCH2)C6H4]Te-S-PPh2=N-PPh2=S (6) was obtained by metathesis reaction between [2-(Me2NCH2)C6H4]TeBr and potassium tetraphenyldithioimidodiphosphinate. The compounds were characterized by multinuclear NMR (H-1,C-13, P-31). The crystal and molecular structures of 1, 2, 4-6 were determined by single-crystal X-ray diffraction. All compounds are monomeric and the N atom of the pendant CH2NMe2 arm is strongly coordinated to the tellurium atom. The organophosphorus ligands are monodentate, thus resulting in a T-shaped coordination geometry around tellurium.

Item Type: Article
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Keywords: dithiophosphorus ligands, supramolecular structure, coordination pattern, derivatives, complexes, chloride, bonds, n,n-dimethylbenzylamine, tribromide, chemistry
Subjects: Q Science
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 19468
Date Deposited: 13 Feb 2006
Last Modified: 27 Mar 2014 18:09
URI: http://eprints.soton.ac.uk/id/eprint/19468

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