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New series of intramolecularly coordinated diaryltellurium compounds. Rational synthesis of the diarylhydroxytelluronium triflate [(8-Me 2NC 10H 6) 2Te(OH)](O 3SCF 3)

Beckmann, Jens, Bolsinger, Jens, Duthie, Andrew and Finke, Pamela 2012, New series of intramolecularly coordinated diaryltellurium compounds. Rational synthesis of the diarylhydroxytelluronium triflate [(8-Me 2NC 10H 6) 2Te(OH)](O 3SCF 3), Organometallics, vol. 31, no. 1, pp. 238-245.

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Title New series of intramolecularly coordinated diaryltellurium compounds. Rational synthesis of the diarylhydroxytelluronium triflate [(8-Me 2NC 10H 6) 2Te(OH)](O 3SCF 3)
Formatted title New series of intramolecularly coordinated diaryltellurium compounds. Rational synthesis of the diarylhydroxytelluronium triflate [(8-Me2NC10H6)2Te(OH)](O3SCF3)
Author(s) Beckmann, Jens
Bolsinger, Jens
Duthie, Andrew
Finke, Pamela
Journal name Organometallics
Volume number 31
Issue number 1
Start page 238
End page 245
Total pages 8
Publisher American Chemical Society
Place of publication Washington, D. C.
Publication date 2012
ISSN 0276-7333
Keyword(s) photosensitized oxygenation
diorganotellurium oxides
oxidizing properties
diaryl tellurides
thiol peroxidase
transfer reagent
metal-carbonyls
co substitution
atom transfer
x-ray
Summary The reaction of 8-dimethylaminonaphthyllithium etherate with the tellurium(II) bis(dithiocarbamate) Te(S2CNEt2)2 provided the diaryltelluride (8-Me2NC10H6)2Te (1). The oxidation of 1 with an excess of H2O2 did not afford the expected diaryltellurium(IV) oxide (8-Me2NC10H6)2TeO (2), but the diaryltellurium(VI) dioxide (8-Me2NC10H6)2TeO2 (3). The preparation of 2 was achieved by the comproportionation reaction of 1 and 3. The protonation of 2 using triflic acid gave rise to the formation of diarylhydroxytelluronium triflate [(8-Me2NC10H6)2Te(OH)](O3SCF3) (4), which features the protonated diaryltellurium oxide [(8-Me2NC10H6)2Te(OH)]+ (4a). Compounds 1, 3·H2O·H2O2, 3·2H2O, and 4 were characterized by X-ray crystallography. The experimentally obtained molecular structures were compared to those calculated for 1–3, 4a, and (8-Me2NC10H6)2Te(OH)2 (5) as well as the related diphenyltellurium compounds Ph2Te (6), Ph2TeO (7), Ph2TeO2 (8), [Ph2Te(OH)]+ (9a), and Ph2Te(OH)2 (10) at the DFT/B3PW91 level of theory.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30047047

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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