Publications by authors named "Katarzyna Bober-Majnusz"

: The triazole ring is an attractive structural unit in medicinal chemistry, and chemical compounds containing this type of system in their structure exhibit a wide spectrum of biological activity. They are used in the development of new pharmaceuticals. One of the basic parameters considered in the initial phase of designing potential drugs is lipophilicity, which affects the bioavailability and pharmacokinetics of drugs.

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Article Synopsis
  • Scientific studies suggest that adding an indole group to triterpene compounds can enhance their cancer-fighting abilities, making lipophilicity a crucial factor in evaluating new drug candidates.
  • In this study, derivatives of 3 and/or 28-indole-betulin were tested for lipophilicity using reversed-phase thin-layer chromatography, with results showing a strong correlation between measured and theoretical lipophilicity values.
  • Despite the strong correlation with lipophilicity, there was no relationship between lipophilicity and anticancer activity; however, toxicity tests on zebrafish indicated that the compounds were non-toxic, aligning with in silico predictions.
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Due to the observed increase in the importance of computational methods in determining selected physicochemical parameters of biologically active compounds that are key to understanding their ADME/T profile, such as lipophilicity, there is a great need to work on accurate and precise in silico models based on some structural descriptors, such as topological indices for predicting lipophilicity of certain anti-androgenic and hypouricemic agents and their derivatives, for which the experimental lipophilicity parameter is not accurately described in the available literature, e.g., febuxostat, oxypurinol, ailanthone, abiraterone and teriflunomide.

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Lipophilicity in addition to the solubility, acid-base character and stability is one of the most important physicochemical parameters of a compound required to assess the ADMET properties (absorption, distribution, metabolism, excretion and toxicity) of a bioactive molecule. Therefore, the subject of this work was to determine the lipophilicity parameters of selected antimicrobial and immunosuppressive compounds such as delafloxacin, linezolid, sutezolid, ceftazidime, everolimus and zotarolimus using thin-layer chromatography in reversed phase system (RP-TLC). The chromatographic parameters of lipophilicity (R) for tested compounds were determined on different stationary phases: RP18F, RP18WF and RP2F using ethanol, acetonitrile, and propan-2-ol as organic modifiers of mobile phases used.

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This study aimed to evaluate the lipophilicity of a series substances lowering the concentration of uric acid in blood and anti-androgen drugs by thin-layer chromatography in reversed-phase systems (RP-TLC, RP-HPTLC) and computational methods. The chromatographic parameter of lipophilicity (R) of tested compounds was determined on three stationary phases, i.e.

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The results presented in this paper confirm the beneficial role of an easy-to-use and low-cost thin-layer chromatography (TLC) technique for describing the retention behavior and the experimental lipophilicity parameter of two biguanide derivatives, metformin and phenformin, in both normal-phase (NP) and reversed-phase (RP) TLC systems. The retention parameters (R, R) obtained under different chromatographic conditions, i.e.

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Designing a new drug has recently become a very important topic that many researches are concerned with. This work relates to a newly synthesized betulin and betulone derivatives which have anticancer activity. Thin-layer chromatography was applied to evaluate the lipophilicity of these triterpenes in order to find the correlation between theoretically and experimentally calculated values of lipophilicity and the structure of compounds investigated.

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