Issue 11, 1992

Evidence for the product of the viologen comproportionation reaction being a spin-paired radical cation dimer

Abstract

The mechanism of the bipyridylium comproportionation reaction has been determined using the redox states of methyl viologen (MV). The reaction, hitherto presumed to follow the stoichiometry MV2++ MV0→ 2 MV+, has been investigated using in situ electrochemical EPR and UV–VIS spectroscopy and been shown to proceed via an intermediate step forming a spin-paired radical cation dimer (MV)22+. Dimer dissociation occurs as a subsequent reaction stage.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 2, 1992, 2039-2041

Evidence for the product of the viologen comproportionation reaction being a spin-paired radical cation dimer

P. M. S. Monk, R. D. Fairweather, M. D. Ingram and J. A. Duffy, J. Chem. Soc., Perkin Trans. 2, 1992, 2039 DOI: 10.1039/P29920002039

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