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- Title
Synthesis and Bioactivity Evaluation of Novel Thiochroman-4-One Derivatives Incorporating Carboxamide and 1, 3, 4-Thiadiazole Thioether Moieties.
- Authors
Yu, Lu; Xiao, Lingling; Li, Pei; Chi, Jiyan; Li, Jie; Tan, Shuming
- Abstract
A series of novel thiochroman-4-one derivatives incorporating carboxamide and 1, 3, 4-thiadiazole thioether moieties were synthesized. Bioassay results indicated that the EC50 values of compound 6-chloro-N-(5-(methylthio)-1, 3, 4-thiadiazol-2-yl)-4-oxothiochromane-2-carboxamide (5a) against Xanthomonas oryzae pv. Oryzae (Xoo) and Xanthomonas axonopodis pv. Citri (Xac) were 24 and 30 μg/mL, respectively, which were even better than those of bismerthiazol and thiadiazole copper. Meanwhile, compound 6-methyl-4-oxo-N-(5-(propylthio)-1, 3, 4-thiadiazol-2-yl)thiochromane-2-carboxamide (5m) showed a better antifungal activity against Botrytis cinerea (B. cinerea), with an inhibition rate of 69%, than carbendazim. As far as we know, this is the first report on the antibacterial and antifungal activities of this series of novel thiochroman-4-one derivatives incorporating carboxamide and 1, 3, 4-thiadiazole thioether moieties.
- Subjects
CARBOXAMIDES; MOIETIES (Chemistry); THIADIAZOLES; XANTHOMONAS oryzae; AMIDE derivatives; BOTRYTIS cinerea; CARBENDAZIM
- Publication
Journal of Chemistry, 2022, p1
- ISSN
2090-9063
- Publication type
Academic Journal
- DOI
10.1155/2022/5354088