Favipiravir vs. Deferiprone: tautomeric, photophysical, in vitro biological studies, and binding interactions with SARS-Cov-2-MPro/ACE2

Coronavirus disease 2019 (COVID-19) still remains the most disastrous infection continuously affecting millions of people worldwide. Herein, we performed a comparative study between the anti-influenza drug favipiravir (FAV) and the anti-thalassemia drug deferiprone (DFP) in order to examine their potential as basic scaffolds for the generation of most effective and structurally novel antivirals. To conduct […]

Favipiravir – Tautomeric and Complexation Properties in Solution

The tautomeric properties of favipiravir, a promising anti-COVID-19 drug, were investigated experimentally for the first time by using molecular spectroscopy (UV–Vis absorption, fluorescence and NMR), as well as DFT quantum–chemical calculations. According to the obtained results, the enol tautomer is substantially more stable in most of the organic solvents. In the presence of water, a […]

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