Reaction of Arabinogalactan Modified by Salicylic and 4-Aminobenzoic Acids with Iodine

The regularities of the reactions in arabinogalactan–salicylic (and/or 4-aminobenzoic) acid–iodine systems in aqueous solutions were studied by spectral methods. The compositions of the complexes and their stability constants were determined and the standard thermodynamic parameters of complex forma...

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Bibliographic Details
Published in:Russian journal of general chemistry 2018-12, Vol.88 (12), p.2572-2577
Main Authors: Mudarisova, R. Kh, Badykova, L. A., Novoselov, I. V.
Format: Article
Language:English
Subjects:
Aqueous solutions
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Complex formation
Iodine
Polysaccharides
Spectral methods
Stability constants
Thermodynamics
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Summary:The regularities of the reactions in arabinogalactan–salicylic (and/or 4-aminobenzoic) acid–iodine systems in aqueous solutions were studied by spectral methods. The compositions of the complexes and their stability constants were determined and the standard thermodynamic parameters of complex formation (Δ H º, Δ G º, Δ S º) were estimated. It was shown that the modification of arabinogalactan by a drug compound stabilizes the complexes and increases the iodine concentration in them. The synthesized compounds were found to exhibit a high bactericidal activity.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363218120186