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Electrochemical oxidation of methylthiomethyleneisoquinolinium chloride — the first water soluble alkylthiomethylene substituted ammonium salt

  • Research Article
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Central European Journal of Chemistry

Abstract

Electrochemical oxidation of methylthiomethyleneisoquinolinium chloride (MTMIQ), the first alkylthiomethyl substituted ammonium salt, which is fully miscible with water has been investigated by voltammetric (SWV) method using glassy carbon electrode. On the electrode, MTMIQ undergoes oxidation at the potential near Ep = 0.07V (vs. Ag/AgCl/3 M KCl). The influence of the pH of buffers, amplitude, frequency, step potential on the received signal was studied. The best results were obtained with a citrate buffer at a pH of 5. The oxidation peak current used for MTMIQ voltammetric determination was in the range of 2–8×10−5 mol L−1, LOD = 3.7×10−6, LOQ = 1.2×10−5. The product of the oxidation was accumulated at the working electrode and was investigated by spectroscopic method. Mechanistic pathways of the oxidation have been proposed.

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Authors and Affiliations

  1. Department of Instrumental Analysis, University of Łódź, 90-236, Łódź, Poland

    Sylwia Smarzewska, Sławomira Skrzypek & Witold Ciesielski

  2. Institute of Chemistry, Environmental Protection and Biotechnology, Jan Długosz University in Częstochowa, 42-200, Częstochowa, Poland

    Barbara Bachowska & Piotr Bałczewski

  3. Department of Heteroorganic Chemistry, Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, 90-363, Łódź, Poland

    Piotr Bałczewski

Authors
  1. Sylwia Smarzewska
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  2. Sławomira Skrzypek
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  3. Barbara Bachowska
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  4. Piotr Bałczewski
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  5. Witold Ciesielski
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Correspondence to Sławomira Skrzypek.

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Smarzewska, S., Skrzypek, S., Bachowska, B. et al. Electrochemical oxidation of methylthiomethyleneisoquinolinium chloride — the first water soluble alkylthiomethylene substituted ammonium salt. cent.eur.j.chem. 9, 840–845 (2011). https://doi.org/10.2478/s11532-011-0063-1

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  • DOI: https://doi.org/10.2478/s11532-011-0063-1

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