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Abstract <p>The reactivity of thia-crown ethers M1–M3 modified by 2(5<i>H</i>)-furanone fragments relative to nickel(II) and silver(I) ions has been studied. The stability of the complexes was analyzed by spectrophotometry. The thermodynamic parameters of complexation of thia-crown ethers M1–M3 with silver(I) ions in ethanol (95%) and DMSO were determined by isothermal titration calorimetry. The standard enthalpies of formation of the compounds were calculated by the additive group method based on group systematics with Benson-type classification of fragments, including the influence of the nearest-neighbor atoms.</p>

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Complexation of Thia-Crown Ethers with Nickel(II) and Silver(I) Ions in Ethanol and Dimethyl Sulfoxide

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • T. R. Usacheva,
  • N. N. Kuranova,
  • O. N. Krutova,
  • O. V. Kryukova,
  • E. S. Rabbanieva,
  • A. M. Khabibrakhmanova,
  • A. R. Kurbangalieva,
  • Liping Ding

摘要

Abstract

The reactivity of thia-crown ethers M1–M3 modified by 2(5H)-furanone fragments relative to nickel(II) and silver(I) ions has been studied. The stability of the complexes was analyzed by spectrophotometry. The thermodynamic parameters of complexation of thia-crown ethers M1–M3 with silver(I) ions in ethanol (95%) and DMSO were determined by isothermal titration calorimetry. The standard enthalpies of formation of the compounds were calculated by the additive group method based on group systematics with Benson-type classification of fragments, including the influence of the nearest-neighbor atoms.