Effect of Water-Dimethylsulfoxide Solvent on the Solvation of Hydroxypropyl-β-cyclodextrine

被引：1
|
作者：
Kuranova, N. N. [1 ]
Usacheva, T. R. [1 ]
Gushchina, A. S. [1 ]
Alistair, D. A. [1 ]
Kabirov, D. N. [1 ]
Thi, L. Pham [2 ]
机构：
[1] Ivanovo State Univ Chem Technol, Ivanovo 153000, Russia
[2] Vietnam Acad Sci & Technol, Inst Trop Technol, Hanoi, Vietnam
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2021年 / 95卷 / 09期
基金：
俄罗斯基础研究基金会;
关键词：
water-dimethylsulfoxide solvent; hydroxypropyl-beta-cyclodextrin; inclusion complexation; distribution coefficient; solvation; Gibbs energy of transfer; THERMODYNAMICS; SOLUBILITY; QUERCETIN; ETHANOL;
D O I：
10.1134/S0036024421090107
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The distribution of a substance between two immiscible phases: a water-dimethylsulfoxide solvent of variable composition and n-hexane is studied. The obtained data are used to determine the distribution coefficients of hydroxypropyl-beta-cyclodextrin and to calculate the changes in the Gibbs energy of resolvation. Weakening of the solvation of the macrocycle is observed upon moving from water to aqueous solutions of dimethylsulfoxide. Based on an analysis of the obtained and literature data, it is assumed that changes in the state of solvation of cyclodextrins have the main effect on the change in the stability of complexes of quercetin with hydroxypropyl-beta-cyclodextrin and with beta-cyclodextrin in water-dimethylsulfoxide solvent.
引用
收藏
页码：1821 / 1825
页数：5
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