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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

On the electrochemistry of pyrylium ions at the mercury electrode. I. Aliphatically substituted ions in acetonitrile

WNC Garrard and FG Thomas

Australian Journal of Chemistry 36(10) 1983 - 1989
Published: 1983

Abstract

The electrochemical behaviour of 2,4,6-trimethyl- and 2,4,6-tri-t-butyl-pyrylium tetrafluoroborates in acetonitrile is reported. Both compounds undergo a reversible, one-electron reduction followed by dimerization of the pyranyl radical. In the case of the trimethyl radical the dimerization is irreversible whereas the tri-t-butyl radical is in equilibrium with its dimer. Rate constants for the chemical reactions have been determined.

https://doi.org/10.1071/CH9831983

© CSIRO 1983

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