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Bistriazole-p-benzoquinone and its alkali salts: electrochemical behaviour in aqueous alkaline solutions

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Abstract

Quinones are well known as redox-active compounds. In this work bistriazole-p-benzoquinone was prepared and its electrochemical behaviour in aqueous alkaline solutions was studied by cyclic voltammetry. Two successive one-electron reduction steps were observed – the first step was reversible and the second quasireversible. Based on the nature of the alkali cation, the potential of the cathodic peak minimum and the anodic peak maximum was shifted towards positive direction as follows Li+ > Na+ > K+. In order to know more about the chemical structure of the alkali salts, the lithium, sodium and potassium salts of bistriazole-p-benzoquinone were crystallized and their structure could be revealed by single crystal X-ray analysis. Additionally, the thermal stability of the compounds was investigated by thermogravimetric analysis and variable temperature X-ray powder diffraction analysis.

Graphical abstract: Bistriazole-p-benzoquinone and its alkali salts: electrochemical behaviour in aqueous alkaline solutions

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Publication details

The article was received on 31 Jul 2017, accepted on 07 Sep 2017 and first published on 07 Sep 2017


Article type: Paper
DOI: 10.1039/C7DT02803B
Citation: Dalton Trans., 2017, Advance Article
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    Bistriazole-p-benzoquinone and its alkali salts: electrochemical behaviour in aqueous alkaline solutions

    H. Bunzen, A. Lamp, M. Grzywa, C. Barkschat and D. Volkmer, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT02803B

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