Synthesis of some novel heterocylic compounds derived from 2-[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]acetohydrazide and investigation of their lipase and α-glucosidase inhibition

doi:10.3109/14756366.2014.1003213

Paper

Synthesis of some novel heterocylic compounds derived from 2-[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]acetohydrazide and investigation of their lipase and α-glucosidase inhibition

Published Feb 2, 2015 · O. Bekircan, S. Ülker, E. Menteşe

Journal of Enzyme Inhibition and Medicinal Chemistry

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Abstract

Abstract In the present study, 2-[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]acetohydrazide (1) was used as starting compound for the synthesis of 2-{[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]acetyl}-4-thiosemicarbazides (2a–c) and 5-{[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]methyl}-1,3,4-oxadiazole-2-thione (5). The cyclization of compounds 2a–c in the presence of NaOH resulted in the formation of 5-{[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]methyl}-4-alkyl/aryl-2,4-dihydro-3H-1,2,4-triazole-3-thiones (3a–c). Aminomethylation of compounds 3a–c and 5 with formaldehyde and N-methyl/phenylpiperazine furnished Mannich bases (4a–f and 6a–b). The newly synthesized compounds were well-characterized by IR, 1H NMR, 13C NMR, elemental analysis and mass spectral studies. They were also screened for their lipase and α-glucosidase inhibition. Among the tested compound 2c (IC50 = 2.50 ± 0.50 µM) showed the best anti-lipase activity and compounds 2c (IC50 = 3.41 ± 0.16 µM) and 6a (IC50 = 4.36 ± 0.10 µM) showed the best anti-α-glucosidase activity.

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Novel heterocylic compounds derived from 2-[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]acetohydrazide show potential as anti-lipase and anti--

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Synthesis of some novel heterocylic compounds derived from 2-[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]acetohydrazide and investigation of their lipase and α-glucosidase inhibition

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