Design, synthesis and anti-bacterial evaluation of novel 1,3,4-thiadiazole derivatives bearing a semicarbazone moiety
作者:Jinlin Wan、Yiyuan Gan、Weinan Hu、Jiao Meng、Kun Tian、Xiaoqin Li、Shouqun Wu、Yang Xu、Guiping Ouyang、Zhenchao Wang
DOI:10.1080/10426507.2018.1436546
日期:2018.7.3
GRAPHICAL ABSTRACT ABSTRACT Novel 1,3,4-thiadiazole derivatives bearing a semicarbazone moiety were prepared and evaluated for their anti-bacterial activities against Xanthomonas oryzae pv. oryzae (Xoo) and Xanthomonas axonopodis pv. citri (Xac) by performing a turbidimetre test. The products were structurally characterised by IR, 1H NMR, 13C NMR, 19F NMR and HRMS. Anti-bacterial testing showed that
图形摘要 摘要 制备了带有缩氨基脲部分的新型 1,3,4-噻二唑衍生物,并评估了它们对米黄单胞菌 pv. 的抗菌活性。oryzae (Xoo) 和 Xanthomonas axonopodis pv。citri (Xac) 通过进行浊度计测试。通过IR、1H NMR、13C NMR、19F NMR和HRMS对产物进行结构表征。抗菌测试表明,大多数评估的化合物(6a-6s)在 200 µg/mL 的浓度下对 Xoo 表现出优异的活性(≥74.19%),50% 有效浓度(EC50)值范围为 12.21 至 67.20 µg /mL,优于商业抗菌剂双甲噻唑 (92.23 µg/mL)。其中,化合物2-((2-chloro-1H-indol-3-yl)methylene)-N-(5-((2-chlorobenzyl)thio)-1,3, 4-噻二唑-2-基)肼-1-甲酰胺 (6b) 对 Xac(200