Synthesis and evaluation of antioxidant activities of novel 1,3,4-oxadiazole and imine containing 1H-benzimidazoles

Authors

AYŞE SELEN ALP
GÜLGÜN KILCIGİL
ELÇİN DENİZ ÖZDAMAR
TÜLAY ÇOBAN
BİNAY EKE

DOI

10.3906/kim-1403-44

Abstract

Some novel 2-(substitutedbenzylthio)-5-((2-(4-substitutedphenyl)-1H-benzo[d]imidazol-1-yl)methyl)-1,3,4-oxadiazoles (5--12) and 2-(2-(4-chlorophenyl)-1H-benzo[d]imidazol-1-yl)-N'-(arylmethylene)acetohydrazide derivatives (13--22) were prepared and their in vitro antioxidant properties were investigated by determination of rat liver microsomal NADPH-dependent inhibition of lipid peroxidation (LP) levels and microsomal ethoxyresorufin O-deethylase (EROD) activity. Compound 18 was found to be the most active compound with 100% inhibition on LP level and 92% inhibition on EROD. Compounds 4b, 17, and 19 showed the strongest inhibitory effect (97%) on EROD. The free radical scavenging capacities of the compounds were also tested in vitro determining the interaction of the stable free radical 2,2,diphenyl-1-picrylhydrazyl (DPPH), and compounds 4a and 4b exhibited good antioxidant activities.

Keywords

Antioxidant, lipid peroxidation, benzimidazole, oxadiazole, imine

First Page

42

Last Page

53

Recommended Citation

ALP, AYŞE SELEN; KILCIGİL, GÜLGÜN; ÖZDAMAR, ELÇİN DENİZ; ÇOBAN, TÜLAY; and EKE, BİNAY (2015) "Synthesis and evaluation of antioxidant activities of novel 1,3,4-oxadiazole and imine containing 1H-benzimidazoles," Turkish Journal of Chemistry: Vol. 39: No. 1, Article 5. https://doi.org/10.3906/kim-1403-44
Available at: https://journals.tubitak.gov.tr/chem/vol39/iss1/5