Relationship of antimicrobial activity and chemical structure of the arylaliphatic aminoalcohol derivatives

  • M. L. Dronova SI «Institute of Pharmacology and Toxicology of NAMS of Ukraine», Kуiv
  • Z. S. Suvorova SI «Institute of Pharmacology and Toxicology of NAMS of Ukraine», Kуiv
  • Yu. V. Korotkyi Institute of Organic chemistry of NAS of Ukraine, Kyiv
Keywords: arylaliphatic aminoalcohols, antimicrobial activity

Abstract

Arylaliphatic aminoalcohols appeared to be the new promising class of compounds for the development of antibacterial and antifungal agents. The aim of the presented study was to analyze the «chemical structure-antimicrobial activity» relationship for further activity-directed synthesis of compounds of this class.

The antimicrobial activity of the compounds was investigated by serial broth dilution method. Primary analysis of the effect of substituents’ structure on the ability of the derivatives to inhibit the growth of test-microorganisms was carried out by empirical method. Molecular structural characteristics of arylaliphatic aminoalcohols (surface area, volume, partition coefficient logP and dipole moment) were calculated by means of «Hyperchem 8.0.8» software. Relationship between the antimicrobial activity against Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans and molecular characteristics was investigated by correlation analysis using the Spearman test. Statistical processing was performed by «StatSoft Statistica 6.0», the data obtained were evaluated using Chaddock scale.

The data obtained suggest, that the presence of both antibacterial and antifungal activity in arylaliphatic aminoalcohols depends on the amino group structure and composition of aryl(alkyl)oxy-radical (4-(1,1,3,3-tetramethylbutyl)phenyl, 1-adamantyl, 4-(1-adamantyl)phenyl, 4-phenyl-phenyl or 2,4-ditretbutyl phenyl). The correlation analysis revealed an inverse relationship between the antimicrobial action and surface area, volume, and lipophilicity of compounds. The tightest correlation was found between these parameters and antistaphylococcal activity. Our results indicate the promises of the synthesis, directed to the reducing of the molecule size and lipophilicity of tetramethylbutylphenyl aminoalcohols, for further development of broad-spectrum antimicrobial agents.

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Published
2018-09-04
How to Cite
Dronova, M. L., Suvorova, Z. S., & Korotkyi, Y. V. (2018). Relationship of antimicrobial activity and chemical structure of the arylaliphatic aminoalcohol derivatives. Farmatsevtychnyi Zhurnal, (5), 95-104. https://doi.org/10.32352/0367-3057.5.15.06
Section
General and Clinical Pharmacology