Molecular complexation of 18-crown-6 with L-carnosine, β-alanine and histidine in water and in aqueous-ethanol solvent

被引：0

作者：

Usacheva, T. R. ^{[1
]}

Krutova, O. N. ^{[1
]}

Batov, D. V. ^{[2
]}

Saturina, E. V. ^{[1
]}

Kiptikova, E. E. ^{[1
]}

Anufrikov, Y. A. ^{[3
]}

Shasherina, A. Y. ^{[3
]}

Giancola, C. ^{[4
]}

机构：

[1] Ivanovo State Univ Chem & Technol, Sheremetevsky Ave 7, Ivanovo 153000, Russia

[2] Russian Acad Sci, GA Krestov Inst Solut Chem, Ul Akad skaja 1, Ivanovo 153045, Russia

[3] St Petersburg State Univ, Resource Ctr Thermogravimetr & Calorimetr Res Meth, Sci Pk, Univ Ave 26, St Petersburg 198504, Russia

[4] Univ Naples Federico II, Dept Pharm, Via Domenico Montesano 49, I-80131 Naples, Italy

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2024年

关键词：

Amino acids; Calorimetry; Complexation; Crown ethers; Enthalpies of dissolution; Enthalpies of complexation; Solutions; Thermodynamics; AMINO-ACIDS; ISOTHERMAL MICROCALORIMETRY; SOLUTION THERMODYNAMICS; CROWN-ETHERS;

D O I：

10.1007/s10973-024-13085-9

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The intermolecular interactions of 18-crown-6 with L-carnosine, beta-alanine and histidine in water and in an aqueous-ethanol solvent with a composition of 0.1 mol fr ethanol at T = 298.15 K were studied using the method of isothermal titration calorimetry. The enthalpy of dissolution of crystalline beta-alanine was determined using the method of dissolution calorimetry in an aqueous solution of ethanol with an ethanol content of 0.1 mol fr at T = 298.15 K. The thermodynamic parameters of the reactions of the formation of molecular complexes between 18-crown-6 and amino acids were analyzed. The enthalpy of combustion of 18-crown-6 was determined using bomb calorimetry, and the enthalpy of formation of crystalline 18-crown-6 was calculated.

引用

页数：7

共 26 条

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