Abstract
A series of 4,5-disubstituted-1,2,4-triazole-3-thione derivatives (4a-e) and their N-Mannich bases (5a-e), together with a S-benzyl derivative (6), were synthesized and evaluated as antimycobacterial and antiproliferative agents. The structures of the compounds were established by IR, 1H-NMR, 13C-NMR and 2D-NMR spectroscopic methods and microanalysis. 4 and 5 were screened for in vitro antimycobacterial activity against Mycobacterium tuberculosis H37Rv (ATCC 27294). Three of the tested compounds (4d, 4e and 5e) were found to be active in the primary screen. Among them, compound 4e was the most potent one with IC90 and IC50 values of 27.5 and 20.8 µg/mL, respectively. Additionally, compounds 4b, 4c, 5b, 5c, 5e and 6 were subjected to the NCI’s in vitro disease-oriented antitumor screening to be evaluated for antitumor activity at a single dose of 10 µM. The S-benzyl derivative 6 exhibited promising antiproliferative activity against leukemia CCRF-CEM, RPMI-8226 and SR, non-small cell lung cancer HOP-92, melanoma UACC-62 and renal cancer UO-31 cell lines.
Keywords: Antimycobacterial activity, Antitumor activity, Mannich bases, 1, 2, 4-Triazole-3-thiones.
Letters in Drug Design & Discovery
Title:Synthesis, Characterization, Antimycobacterial and Anticancer Evaluation of New 1,2,4-Triazole Derivatives
Volume: 11 Issue: 3
Author(s): G. Cihan-Ustundag, B. Simsek, E. Ilhan and G. Capan
Affiliation:
Keywords: Antimycobacterial activity, Antitumor activity, Mannich bases, 1, 2, 4-Triazole-3-thiones.
Abstract: A series of 4,5-disubstituted-1,2,4-triazole-3-thione derivatives (4a-e) and their N-Mannich bases (5a-e), together with a S-benzyl derivative (6), were synthesized and evaluated as antimycobacterial and antiproliferative agents. The structures of the compounds were established by IR, 1H-NMR, 13C-NMR and 2D-NMR spectroscopic methods and microanalysis. 4 and 5 were screened for in vitro antimycobacterial activity against Mycobacterium tuberculosis H37Rv (ATCC 27294). Three of the tested compounds (4d, 4e and 5e) were found to be active in the primary screen. Among them, compound 4e was the most potent one with IC90 and IC50 values of 27.5 and 20.8 µg/mL, respectively. Additionally, compounds 4b, 4c, 5b, 5c, 5e and 6 were subjected to the NCI’s in vitro disease-oriented antitumor screening to be evaluated for antitumor activity at a single dose of 10 µM. The S-benzyl derivative 6 exhibited promising antiproliferative activity against leukemia CCRF-CEM, RPMI-8226 and SR, non-small cell lung cancer HOP-92, melanoma UACC-62 and renal cancer UO-31 cell lines.
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Cihan-Ustundag G., Simsek B., Ilhan E. and Capan G., Synthesis, Characterization, Antimycobacterial and Anticancer Evaluation of New 1,2,4-Triazole Derivatives, Letters in Drug Design & Discovery 2014; 11 (3) . https://dx.doi.org/10.2174/157018081131000074
DOI https://dx.doi.org/10.2174/157018081131000074 |
Print ISSN 1570-1808 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-628X |
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