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Abstract <p>Ethoxy derivatives of pyrrolo[3,4-<i>c</i>]pyridine have been synthesized by dehydroxyalkoxylation of the corresponding hydroxy derivatives on heating in boiling ethanol in the presence of sulfuric acid. The synthesized compounds have been studied as reagents for the fluorometric determination of mercury(II) ions. Leading compounds containing a 4-chloro- or 4-bromophenyl substituent showed Hg(II) detection limits of 0.43×10<sup>–6</sup> or 0.92×10<sup>–6</sup> M, respectively, these values are comparable with those of existing small molecule-based reagents.</p>

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Synthesis of Pyrrolo[3,4-c]pyridine Derivatives with an Aromatic Substituent Affecting the Sensitivity of Fluorescence Detection of Mercury(II) Ions

  • 期刊论文

  • 发表日期：

    2026年3月1日

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  • E. N. Ramskaya,
  • Ya. S. Kayukov,
  • I. N. Bardasov

摘要

Abstract

Ethoxy derivatives of pyrrolo[3,4-c]pyridine have been synthesized by dehydroxyalkoxylation of the corresponding hydroxy derivatives on heating in boiling ethanol in the presence of sulfuric acid. The synthesized compounds have been studied as reagents for the fluorometric determination of mercury(II) ions. Leading compounds containing a 4-chloro- or 4-bromophenyl substituent showed Hg(II) detection limits of 0.43×10–6 or 0.92×10–6 M, respectively, these values are comparable with those of existing small molecule-based reagents.