Design, synthesis, theoretical study, antioxidant, and anticholinesterase activities of new pyrazolo-fused phenanthrolines
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Fecha
2022-11-17
Profesor/a Guía
Facultad/escuela
Idioma
en
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Editor
Royal Society of Chemistry
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Licencia CC
Atribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)
Licencia CC
https://creativecommons.org/licenses/by-nc/4.0/deed.es
Resumen
Pyrazole-fused phenanthroline compounds were obtained through several synthetic routes. NMR, HRMS, and IR techniques were used to characterize and confirm the chemical structures. Crystal structures were obtained from compounds 3a, 5b, 5j, 5k, and 5n and analyzed using X-ray diffraction. Compounds were evaluated as acetyl (AChE) and butyrylcholinesterase (BChE) inhibitors, and the results showed a moderate activity. Compound 5c presented the best activity against AChE (IC50 = 53.29 μM) and compound 5l against BChE enzyme (IC50 = 119.3 μM). Furthermore, the ability of the synthetic compounds to scavenge cationic radicals DPPH and ABTS was evaluated. Compound 5e (EC50 = 26.71 μg mL−1) presented the best results in the DPPH assay, and compounds 5e, 5f and 5g (EC50 = 11.51, 3.10 and <3 μg mL−1, respectively) showed better ABTS cationic radical scavenging results. Finally, in silico analyses indicated that 71% of the compounds show good oral availability and are within the ranges established by the Lipinski criteria. © 2022 The Royal Society of Chemistry.
Notas
Indexación: Scopus.
Palabras clave
Anticholinesterase activities, Antioxidant activities, Butyrylcholinesterase, Cationics, Design synthesis, Fused phenanthroline, IR techniques, Pyrazoles, Synthetic routes, Theoretical study
Citación
RSC Advances, Volume 12, Issue 51, Pages 33032 - 3304817 November 2022
DOI
10.1039/d2ra05532e