Journal Articles Journal of Molecular Structure Year : 2020

Pyrazolo[1,5-a][1,3,5]triazin-2-thioxo-4-ones derivatives as thymidine phosphorylase inhibitors: Structure, drug-like calculations and quantitative structure-activity relationships (QSAR) modeling

Abstract

After benchmarks on pyrazolo[1,5-a][1,3,5]triazin-2-thioxo-4-ones, we carried out B3LYP density functional theory computations on the structure and vibrational spectroscopy of a series of twenty-one of its derivatives exhibiting various extent of inhibitory activity against thymidine phosphorylase (TP). Then, we performed drug-like calculations, quantitative structure-activity relationship (QSAR) modeling and an evaluation of the physicochemical properties of this series. In order to design the relationships between molecular descriptors and TP inhibition by pyrazolo[1,5-a][1,3,5]triazin-2-thioxo-4-ones derivatives, we used a multiple linear regression (MLR) procedure. A QSAR model is predicted. A further external set of molecules was used for validation where a high correlation between experimental and predicted activity values is noticed.
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Dates and versions

hal-02974009 , version 1 (09-06-2021)

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Marwa Manachou, Zied Gouid, Zineb Almi, Salah Belaidi, Salima Boughdiri, et al.. Pyrazolo[1,5-a][1,3,5]triazin-2-thioxo-4-ones derivatives as thymidine phosphorylase inhibitors: Structure, drug-like calculations and quantitative structure-activity relationships (QSAR) modeling. Journal of Molecular Structure, 2020, 1199, 22p. ⟨10.1016/j.molstruc.2019.127027⟩. ⟨hal-02974009⟩
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