Abstract
Background: Oxadiazole emerged as an important class of heterocyclic compound with diverse biological activities like anticancer, antitubercular, anticonvulsant, anti-tubulin, antimicrobial, anti-inflammatory, antioxidant etc.
Objective: The objective of this study is to synthesis series of twelve substituted N-[(1,3,4-oxadiazol-2- yl)methyl]benzamines (6a-l) and their evaluation as antiproliferative and antioxidant agents.
Methods: The substituted N-[(1,3,4-oxadiazol-2-yl)methyl]benzamines (6a-l) analogues were synthesized as per the reported procedure. The antiproliferative activity was tested against nine different panels cancer cell lines (leukemia, colon, renal, non-small cell lung, breast, CNS, melanoma, prostate, and ovarian cancer) at 10 µM drug concentrations as per the NCI US Protocol.
Results: 2-(5-((3-Chloro-4-fluorophenylamino)methyl)-1,3,4-oxadiazol-2-yl)phenol (6e) revealed the significant antiproliferative activity among the series of title compounds (6a-l). The compound, 6e showed maximum sensitivity towards CCRF-CEM, MCF-7, MOLT-4, T-47D, and SR cell lines with percent growth inhibitions (%GIs) of 79.92, 56.67, 39.62, 34.71 and 33.35, respectively. Furthermore, the compounds, 6e and 6c showed promising antioxidant activity with an IC50 value of 15.09 and 19.02 µM, respectively in DPPH free radicals (FR) scavenging activity.
Conclusion: The present study may support a significant value in cancer drug discovery programme.
Keywords: Anti-proliferative agents, antioxidants, oxadiazoles, one dose assay, DPPH, free radicals scavenging activity.
Graphical Abstract
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