Timotej Jankech, Dominika Pindjaková, J. Kos
Nov 13, 2020
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Chemistry Proceedings
Abstract
A series of seven fluorinated benzyl carbamates of 4-aminosalicylanilides and unsubstituted benzyl [3-hydroxy-4-(phenylcarbamoyl)phenyl]carbamate designed as agents with the expected anticholinesterase and anti-inflammatory activity were prepared and characterized. As lipophilicity significantly influences the biological activity of compounds, the hydro-lipophilic properties of these mono-, di-, and tri-substituted carbamates were investigated in this study. All the discussed derivatives of 4-{[(benzyloxy)carbonyl]amino}-2-hydroxybenzoic acid were analyzed using reversed-phase high performance liquid chromatography to measure lipophilicity. 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 correlations between the logarithm of the capacity factor k, the logarithm of the distributive parameter D at pH 7.4, and log P/Clog P values calculated in various ways as well as the relationships between the lipophilicity and the chemical structure of the studied compounds are discussed.