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The reactivity of bis(para-methoxyphenyl)telluroxide towards triflic acid and diphenylphosphinic acid. Theoretical considerations of the protonation and hydration process of diorganotelluroxanes

Beckmann, Jens, Dakternieks, Dainis, Duthie, Andrew, Lewcenko, Naomi A., Mitchell, Cassandra and Schurmann, Markus 2005, The reactivity of bis(para-methoxyphenyl)telluroxide towards triflic acid and diphenylphosphinic acid. Theoretical considerations of the protonation and hydration process of diorganotelluroxanes, Zeitschrift für anorganische und allgemeine chemie, vol. 631, no. 10, pp. 1856-1862, doi: 10.1002/zaac.200500168.

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Title The reactivity of bis(para-methoxyphenyl)telluroxide towards triflic acid and diphenylphosphinic acid. Theoretical considerations of the protonation and hydration process of diorganotelluroxanes
Formatted title Reactivity of bis(para-methoxyphenyl)telluroxide towards triflic acid and diphenylphosphinic acid. Theoretical considerations of the protonation and hydration process of diorganotelluroxanes
Author(s) Beckmann, Jens
Dakternieks, Dainis
Duthie, Andrew
Lewcenko, Naomi A.
Mitchell, Cassandra
Schurmann, Markus
Journal name Zeitschrift für anorganische und allgemeine chemie
Volume number 631
Issue number 10
Start page 1856
End page 1862
Publisher Wiley Interscience
Place of publication Malden, MA.
Publication date 2005
ISSN 0044-2313
1521-3749
Keyword(s) tellurium
organometallic
hypervalent compounds
density functional calculations
Summary The reaction of (p-MeOC6H4)2TeO with two equivalents of HO3SCF3 and HO2PPh2 provided the tetraorganoditelluroxanes (F3CSO3)(p-MeOC6H4)2TeOTe(p-MeOC6H4)2(O3SCF3) (1) and (Ph2PO2)(p-MeOC6H4)2TeOTe(p-MeOC6H4)2(O2PPh2)·2 Ph2PO2H (2) in good yields. Compounds 1 and 2 were characterized by solution and solid-state 31P and 125Te NMR spectroscopy, IR spectroscopy, electrospray mass spectrometry, conductivity measurements and single crystal X-ray diffraction. In solution, compound 1 undergoes an electrolytic dissociation and reversibly reacts with traces of water to give the mononuclear cation [(p-MeOC6H4)2TeOH]+ and triflate anions. Theoretical aspects of the protonation and hydration of model telluroxanes R2TeO (R = H, Me, Ph) were investigated by preliminary DFT calculations and compared to the corresponding selenoxanes R2SeO. The tellurium dihydroxides R2Te(OH)2 seem to be more stable than the hydrogen-bonded complexes R2TeO·H2O.
Notes Published Online: 26 Jul 2005
Language eng
DOI 10.1002/zaac.200500168
Field of Research 039904 Organometallic Chemistry
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2005, WILEY-VCH Verlag
Persistent URL http://hdl.handle.net/10536/DRO/DU:30008883

Document type: Journal Article
Collection: School of Biological and Chemical Sciences
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