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Abstract <p>The water-soluble 5,10,15,20-tetrakis(1'-methylpyrid-4-yl)porphyrin tetratosylate was synthesized. The enthalpies of solution of crystalline porphyrin in water and aqueous KOH at 298.15 K were determined by direct calorimetry. The standard enthalpies of formation of porphyrin were calculated by the additive group method based on group systematics with Benson-type classification of fragments, in which the influence of the nearest-neighbor atoms is taken into account.</p>

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Thermochemistry of Dissolution of 5,10,15,20-Tetrakis(1'-methylpyrid-4-yl)porphyrin Tetratosylate at 298.15 K

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • O. N. Krutova,
  • N. M. Berezina,
  • P. D. Krutov,
  • M. I. Bazanov,
  • A. V. Volkov,
  • V. V. Chernikov,
  • E. E. Kiptikova,
  • E. A. Kasatkin

摘要

Abstract

The water-soluble 5,10,15,20-tetrakis(1'-methylpyrid-4-yl)porphyrin tetratosylate was synthesized. The enthalpies of solution of crystalline porphyrin in water and aqueous KOH at 298.15 K were determined by direct calorimetry. The standard enthalpies of formation of porphyrin were calculated by the additive group method based on group systematics with Benson-type classification of fragments, in which the influence of the nearest-neighbor atoms is taken into account.