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Acethylcholinesterase Inhibition, Antibacterial and Antioxidant Properties of Diaryl Oxalates

[ Vol. 13 , Issue. 1 ]


Gunay K. Kantar, Nimet Baltas, Fatih S. Beris and Selami Sas maz   Pages 27 - 33 ( 7 )


Objective: The main study was to synthesize the diaryl oxalates containing pharmacophore groups like eugenol and guaiacol moieties, investigate antioxidant, antibacterial and acethylcholinesterase inhibitory properties and compare with each other.

Method: The compounds were screened for their antioxidant properties by employing three in vitro assays like CUPric Reducing Antioxidant Capacity (CUPRAC) and 2,2-Diphenyl-1-Picrylhydrazyl (DPPH•) radical scavenging assay, 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid (ABTS•+) assay and they exhibited very promising results. Also, The compounds were evaluated for their antiacetylcholinesterase activity (anti-AChE) and anti-microbial effects against Bacillus subtilis ATCC 6633, S. pyogenes ATCC 19615, Y. pseudotuberculosis ATCC 911, E. cloaceae ATCC 25923, and E. coli ATCC 25922.

Results: The compounds were found to possess good antioxidant (TEAC values:7.834-9.353 mM TEAC/mg compound) and inhibitiory activity against AChE (IC50=11.95±0.27 for compound 2). Antimicrobial activity results show that compound 1 has the same antimicrobial effect on the bacteria in this study and is more effective than compound 2.

Conclusion: The results indicate that these compounds have not only good antioxidant and antimicrobial activity, but is also a powerful AChE inhibitors.


Anti-acetylcholinesterase, antimicrobial, antioxidant, diaryl oxalate.


Recep Tayyip Erdo an University, Science and Art faculty, Chemistry Department, Rize, 53100

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