Abstract
The electrochemical oxidation of hexaethyl triamidophosphite in the absence of nucleophiles specially introduced into the electrolyte was studied by anodic voltamperometry and preparative electrolysis. The reversible one-electron oxidation of the triamidophosphite molecule gives an unstable radical-cation, which reacts with a molecule of the starting compound to give a dimeric radical-cation, whose subsequent oxidation leads to dodecaethylhexaamidobisphosphonium diperchlorate. This product is the first example of an acyclic, doubly charged bisphosphonium cation with a\(\mathop P\limits^ + - \mathop P\limits^ + \). The crystal structure of this compound was obtained by x-ray diffraction structure analysis.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 664–669, March, 1990.
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Romakhin, A.S., Palyutin, F.M., Ignat'ev, Y.A. et al. Anodic synthesis and molecular structure of dodecaethylhexaamidobisphosphonium diperchlorate. Russ Chem Bull 39, 585–589 (1990). https://doi.org/10.1007/BF00959589
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DOI: https://doi.org/10.1007/BF00959589