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Highly functionalized piperidines: Free radical scavenging, anticancer activity, DNA interaction and correlation with biological activity

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Twenty-five piperidines were studied as potential radical scavengers and antitumor agents. Quantitative interaction of compounds with ctDNA using spectroscopic techniques was also evaluated. Our results demonstrate that the evaluated piperidines possesses different abilities to scavenge the radical 2,2-diphenyl-1-picrylhydrazyl (DPPH) and the anion radical superoxide ( O2 ). The piperidine 19 was the most potent radical DPPH scavenger, while the most effective to O2 scavenger was piperidine 10. In general, U251, MCF7, NCI/ADR-RES, NCI-H460 and HT29 cells were least sensitive to the tested compounds and all compounds were considerably more toxic to the studied cancer cell lines than to the normal cell line HaCaT. The binding mode of the compounds and ctDNA was preferably via intercalation. | Highly functionalized piperidines: Free radical scavenging, anticancer activity, DNA interaction and correlation with biological activity

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Highly functionalized piperidines: Free radical scavenging, anticancer activity, DNA interaction and correlation with biological activity

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