Abstract
Based on the structural elements of bioactive indole-based compounds, a series of novel 1-substituted indole-3-carboxaldehyde thiosemicarbazones were synthesized as potential antimycobacterial and anticancer agents. The derivatives were prepared via a two-step methodology including N-alkylation(benzylation) of indole-3-carboxaldehyde and conversion of the intermediate aldehydes to corresponding thiosemicarbazones. The derivatives were evaluated for their antimycobacterial activity and compounds 3d (R = propyl) and 3q (R = 4-nitrobenzyl) were among the most potent and selective derivatives with IC50 values of 0.9 and 1.9 μg/mL respectively. The anticancer activity of the derivatives was also assessed against a panel of tumor cell lines. Compounds 3t, 3u, 3v and 3w efficiently inhibited the majority of the cancer cell lines with considerable selectivity.
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Acknowledgments
The authors would like to thank Dr. Maryam Nakhjavani for her helpful suggestions in the cytotoxicity evaluation of the synthesized derivatives.
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Mashayekhi, V., Haj Mohammad Ebrahim Tehrani, K., Azerang, P. et al. Synthesis, antimycobacterial and anticancer activity of novel indole-based thiosemicarbazones. Arch. Pharm. Res. 44, 1–13 (2021). https://doi.org/10.1007/s12272-013-0242-z
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DOI: https://doi.org/10.1007/s12272-013-0242-z