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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

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
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
[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.
dithiophosphorus ligands, supramolecular structure, coordination pattern, derivatives, complexes, chloride, bonds, n, n-dimethylbenzylamine, tribromide, chemistry
0022-328X
153-160
Drake, J. E.
dee0cd4d-79bf-4024-ad9c-d61bfaf9216b
Hursthouse, M. B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da
Kulcsar, M.
e777b652-b9ce-47a9-b85f-6cd810718a6e
Light, M. E.
cf57314e-6856-491b-a8d2-2dffc452e161
Silvestru, A.
ae2df296-2167-4f35-855f-51d0299e1059
Drake, J. E.
dee0cd4d-79bf-4024-ad9c-d61bfaf9216b
Hursthouse, M. B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da
Kulcsar, M.
e777b652-b9ce-47a9-b85f-6cd810718a6e
Light, M. E.
cf57314e-6856-491b-a8d2-2dffc452e161
Silvestru, A.
ae2df296-2167-4f35-855f-51d0299e1059

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).

Record type: Article

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.

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More information

Published date: 30 March 2001
Keywords: dithiophosphorus ligands, supramolecular structure, coordination pattern, derivatives, complexes, chloride, bonds, n, n-dimethylbenzylamine, tribromide, chemistry

Identifiers

Local EPrints ID: 19468
URI: http://eprints.soton.ac.uk/id/eprint/19468
ISSN: 0022-328X
PURE UUID: abcb3977-141d-40a0-a5d5-cabe2e629a27
ORCID for M. E. Light: ORCID iD orcid.org/0000-0002-0585-0843

Catalogue record

Date deposited: 13 Feb 2006
Last modified: 26 Nov 2019 01:55

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