Abstract
New N-substituted oxime derivatives (5b, 5d-g, 5i-k, and 5m) and known compounds (5a, 5c, 5h, 5g, 5l, and 5n-q) were obtained by reacting phenyl and butyl oxime chloride analogs with aniline, piperazine derivatives, piperidine, and diethylamine. Structures of all new compounds were determined by 1H NMR, 13C NMR, HRMS, and FTIR methods. All compounds were evaluated in vitro for their antiradical activity and hydrogen peroxide scavenging activity. Compounds 5g, 5h, 5i, 5j, 5k, 5l, 5m, and 5p have shown good antiradical activities with EC50 values < 1 (conc. antiradical (µM)/conc. DPPH (µM)). Similar results were obtained in the peroxide scavenging activity tests. These results have shown that piperidine and butyl substitution greatly increases the antiradical activity of the oximes. Compounds 5l and 5m were found to be the best radical scavengers. In addition, molecular docking studies were performed for compounds (5a-q) against CP450 (CYP1A2), NADPH oxidase, and Xanthine oxidase to predict their antioxidant capabilities through ROS-producing enzyme inhibitions.
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Funding
This study was financially supported by Kocaeli University BAP (FBA-2020–2072 and FYL-2020–2208).
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Sait Sari: methodology, investigation, experimental studies, data analysis, writing original draft, and in silico studies. Nazlıcan Kılıç: investigation and experimental studies. Mehmet Yilmaz: methodology, data analysis, supervision, writing original draft, and review. Final version of the manuscript submitted was approved by all authors.
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Sarı, S., Kılıç, N. & Yılmaz, M. In vitro antioxidant activities and in silico molecular docking studies of N-substituted oxime derivatives. Struct Chem 34, 605–616 (2023). https://doi.org/10.1007/s11224-022-01978-0
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DOI: https://doi.org/10.1007/s11224-022-01978-0