Browsing by Author "Elliot, A. John"

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    In Situ Radiolysis Electron Spin Resonance Study of the Radical-anions of Substituted Nitroimidazoles and Nitroaromatic Compounds
    (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (3), 1978) Ayscough, Peter B.; Elliot, A. John; Salmon, G. Arthur
    Reaction of e–aq, (CH3)2ĊOH, (CH3)2CO[graphic omitted] or CO[graphic omitted]2 with a number of substituted nitroimidazoles and nitrobenzenes results in the formation of their radical-anions and in no case were radical-adducts detected. Changes in the e.s.r. spectra of the product species with pH are interpreted in terms of either the protonation of the radical-anion (metronidazole) or the loss of a proton from the radical anion (2-methyl-5-nitroimidazole, 4-nitroimidazole and nitrophenols) and pK values of some of these processes are evaluated. In several cases the dynamics of these acid–base reactions influence the linewidths of the e.s.r. spectra.