Abstract
Twenty benzimidazole derivatives bearing in position 1 a (\(\omega \)-tert-amino)alkyl chain (mainly quinolizidin-1-ylmethyl) and in position 2 an aromatic moiety (phenyl, benzyl or benzotriazol-1/2-ylmethyl) were evaluated at the National Cancer Institute (NCI) for anti-proliferative activity against a panel of 60 human cancer cell lines. Four compounds (6, 7, 9 and 10) displayed a large spectrum of activity with \(\text{ GI }_{50}<\) 10 \(\upmu \text{ M }\) on 24–57 cell lines, while thirteen compounds exhibited sub-micromolar or even nanomolar activity against single cell lines, such as leukemia CCRF-CEM, HL-60 and MOLT-4, CNS cancer SF-268 and, particularly, renal cancer UO-31, sometimes with outstanding selectivity (compounds 5-7, 11, 13 and 18).
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The Authors gratefully acknowledge the members of the National Cancer Institute Development Therapeutics Program (Bethesda, Maryland, USA) for performing the anti-cancer screening.
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Tonelli, M., Tasso, B., Mina, L. et al. Primary anti-proliferative activity evaluation of 1-(quinolizidin-1’-yl)methyl- and 1-(\(\omega \)-tert-amino)alkyl-substituted 2-phenyl-, 2-benzyl- and 2-[(benzotriazol-1/2-yl)methyl]benzimidazoles on human cancer cell lines. Mol Divers 17, 409–419 (2013). https://doi.org/10.1007/s11030-013-9440-3
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DOI: https://doi.org/10.1007/s11030-013-9440-3