The electrochemical hchaviour of tellurides. diorganyltellurium dichlorides and diperchlorates in methylene chloride or acctonitrile containing tetrabutylammonium pet-chlorate (TBAP) or lithium perchlorate (LEIO,) has heen studied. Various electrochemical techniques such as linear potential scan, cy
The electrochemistry of organotellurium compounds—III. The electrochemistry of triphenyltellurium chloride
✍ Scribed by Y. Liftman; M. Albeck
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 307 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0013-4686
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✦ Synopsis
The electrochemical behaviour of Ph,TeCl in methylene chloride, containing tetrabutylammonium perchlorate (TBAP), at a platinum electrode has been studied. It is shown that Ph,TeCI is oxidized to Ph,(Cl)TeTePh,(CI) and reduced either in a one electron reaction to Ph3TeTePh, or in a two electron reaction to Ph,TeH. The electrochemical reactions depend on the concentration of Ph,TeCl in the solution, on the rate of rotation of the electrode and on the rate of the potential scan.
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It was found that TeCI, in methylene chloride (containing tetrabutylammonium perchlorate as a supporting electrolyte) is reduced to TeCl,, Te' and Te -\* in successive steps which are determined by the potential applied. Two reduction waves are observed during the reduction of T&l.+ at a platinum rd
A previous paper 1 from this laboratory described the electroreduction of tris-(pnitrophenyl) phosphate (TNP) and suggested a mechanism involving cleavage to give 4,4'-dinitrobiphenyl and 4-nitrophenyl phosphate. It is of interest to consider the case where one of the nitrophenyl groups is replaced