Features of Cobalt(II) Complexes Formation with Pharmacophore-Modified Apple Pectin
- Authors: Sagitova A.F.1, Mudarisova R.K.2, Kukovinets O.S.1
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Affiliations:
- Bashkir State University
- Ufa Institute of Chemistry, Ufa Federal Research Center
- Issue: Vol 89, No 7 (2019)
- Pages: 1433-1437
- Section: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/222991
- DOI: https://doi.org/10.1134/S1070363219070132
- ID: 222991
Cite item
Abstract
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.
Keywords
About the authors
A. F. Sagitova
Bashkir State University
Author for correspondence.
Email: alinusic93@mail.ru
Russian Federation, ul. Mingazheva 100, Ufa, 450017
R. Kh. Mudarisova
Ufa Institute of Chemistry, Ufa Federal Research Center
Email: alinusic93@mail.ru
Russian Federation, Ufa
O. S. Kukovinets
Bashkir State University
Email: alinusic93@mail.ru
Russian Federation, ul. Mingazheva 100, Ufa, 450017
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