N-Alkoxy-3-hydroxynaphthalene-2-carboxanilides, N-alkoxy-1-hydroxynaphthalene-2-carboxanilides and N-alkoxy-2-hydroxynaphthalene-1-carboxanilides were recently reported as series of compounds with antimycobacterial, antibacterial and herbicidal activity. As it was found that the lipophilicity of these significantly biologically effective agents determined their activity, in this study hydro-lipophilic properties of all three series are investigated. All fifty-seven anilides were analysed using the reversed-phase high performance liquid chromatography method for lipophilicity measurement. The procedure was performed under isocratic conditions with methanol as an organic modifier in the mobile phase using an end-capped non-polar C18 stationary reversed-phase column. In the present study, the correlation between the logarithm of capacity factor k and log P/Clog P values calculated in various ways is discussed as well as the relationships between the lipophilicity and the chemical structure of the studied compounds.
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Chromatographic and Computational Study of Hydro-lipophilic Properties of N-Alkoxyphenylhydroxy-naphthalenecarboxamides
Published: 03 November 2017 by MDPI in The 21st International Electronic Conference on Synthetic Organic Chemistry session Bioorganic, Medicinal and Natural Products Chemistry
Keywords: Hydroxynaphthalenecarboxamides; Lipophilicity determinations; Structure-lipophilicity relationships.