Issue 14, 1990
From the journal:

Journal of the Chemical Society, Faraday Transactions

Electron paramagnetic resonance spectroscopy of electrodeposited species from solutions of 1,1′-bis-(p-cyanophenyl)-4,4′-bipyridilium (cyanophenyl paraquat, CPQ)

Richard G. Compton,   Andrew M. Waller,   Paul M. S. Monk  and  David R. Rosseinsky  

Abstract

EPR spectra of electro-reduced CPQ (cyanophenyl paraquat, 1,1-bis-(p-cyanophenyl)-4,4′-bipyridilium) in radical cation form have been studied in propylene carbonate solution and as solid deposited with various anions from aqueous solution. In either milieu, no hyperfine coupling is seen, and with sulphate the low intensities indicate some dimerisation. Further (solid-state) reduction to CPQ° produced diamagnetic product (contrast solution-phase comproportionation with CPQ2+) except in the presence of aqueous ferrocyanide, where not only comproportionation but also de-dimerisation are to be inferred.

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Article information

DOI
https://doi.org/10.1039/FT9908602583
Article type
Paper

J. Chem. Soc., Faraday Trans., 1990,86, 2583-2586

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Electron paramagnetic resonance spectroscopy of electrodeposited species from solutions of 1,1′-bis-(p-cyanophenyl)-4,4′-bipyridilium (cyanophenyl paraquat, CPQ)

R. G. Compton, A. M. Waller, P. M. S. Monk and D. R. Rosseinsky, J. Chem. Soc., Faraday Trans., 1990, 86, 2583 DOI: 10.1039/FT9908602583

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