Features of Cobalt(II) Complexes Formation with Pharmacophore-Modified Apple Pectin

被引：0
|
作者：
A. F. Sagitova
R. Kh. Mudarisova
O. S. Kukovinets
机构：
[1] Bashkir State University,Ufa Institute of Chemistry, Ufa Federal Research Center
[2] Russian Academy of Sciences,undefined
来源：
Russian Journal of General Chemistry | 2019年 / 89卷
关键词：
polysaccharides; apple pectin; pharmacophore; cobalt(II) ions; complexation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Complexation of cobalt(II) chloride with apple pectin modified with organic pharmacophores (nicotinic, salicylic, 5-aminosalicylic, or anthranilic acid) has been studied by spectral methods. Molar composition, stability constants of the complexes, and pH range of their existence have been determined; standard thermodynamic characteristics (ΔH°, ΔG°, ΔS°) of the complexes formation have been calculated. it has been shown that cobalt(II) ions form complexes of different stability with pharmacophore-containing pectins, which may be due to the unequal affinity of the metal ions to the donor groups of the monomer unit of the polysaccharide matrices.
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页码：1433 / 1437
页数：4
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