Renuka, N. and Vivek, H. K. and Pavithra, G. and Ajay Kumar, K. (2017) Synthesis of coumarin appended pyrazolyl-1,3,4-oxadiazoles and pyrazolyl-1,3,4-thiadiazoles: Evaluation of their in vitro antimicrobial and antioxidant activities and molecular docking studies. Russian Journal of Bioorganic Chemistry, 43 (2). pp. 197-210. ISSN 1608-330X)
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Abstract
A series of semicarbazones, thiocarbazones, 1,3,4-oxadiazoles, and 1,3,4-thiadiazoles bearing coumarin and pyrazole moiety have been synthesized. The new synthesized compounds were screened in vitro for their antimicrobial and antioxidant activities. Preliminary studies showed that among the synthesized new compounds, chloro-substituted thiosemicarbazone showed excellent activities against all tested organisms; at the same time, methyl substituted thiosemicarbazone showed greater activity against E. coli. Chloro-substituted 1,3,4-oxadiazole and 1,3,4-thiadiazole demonstrated greater DPPH and hydroxyl radical scavenging abilities. Molecular docking studies indicate that 1,3,4-oxadiazoles and 1,3,4-thiadiazoles manifest better interaction with CAT (catalase) and GPx (glutathione peroxidase) than that with SOD (superoxide dismutase). Studies on the antimicrobial and antioxidant activities of the synthesized compounds compared with those of their starting compounds are discussed.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | antimicrobial antioxidant, coumarin, MIC, molecular docking, pyrazole |
| Subjects: | C Chemical Science > Chemistry |
| Divisions: | Yuvaraj college > Chemistry |
| Depositing User: | C Swapna Library Assistant |
| Date Deposited: | 13 Jun 2019 11:07 |
| Last Modified: | 16 Jul 2022 10:52 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/3021 |
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