Synthesis, Structure–Activity Relationship, and Mechanism of a Series of Diarylhydrazide Compounds as Potential Antifungal Agents
作者:Ruiyuan Liu、Zhuangzhuang Li、Sifan Liu、Jinshuo Zheng、PanPan Zhu、Bin Cheng、Ruijin Yu、Huiling Geng
DOI:10.1021/acs.jafc.2c08027
日期:2023.5.10
A series of simple diarylhydrazide derivatives (45 examples) were well-designed, prepared, and screened for their antifungal activities both in vitro and in vivo. Bioassay results suggested that all designed compounds had significant activity against Alternaria brassicae (EC50 = 0.30–8.35 μg/mL). Among of them, 2c, as the highest activity compound, could effectively inhibit the growth of plant pathogens
精心设计、制备并筛选了一系列简单的二芳基酰肼衍生物(45 个实例),并筛选了它们在体外和体内的抗真菌活性。生物测定结果表明,所有设计的化合物都对油菜链格孢菌具有显着活性(EC 50 = 0.30–8.35 μg/mL)。其中活性最高的化合物2c能有效抑制植物病原菌稻瘟病菌、立枯病镰刀菌、立枯链格孢菌、油菜链格孢菌和链格孢菌的生长,作用强于多菌灵和噻菌灵。2c在 200 μg/mL的体内活性下,对番茄中的A. solani显示出几乎 100% 的保护作用。此外,2c不影响豇豆种子的发芽和正常人肝细胞的生长。初步机理探索表明,2c可导致细胞膜形态异常和结构不规则,破坏线粒体功能,增加活性氧,抑制菌丝细胞增殖。上述结果表明,目标化合物2c因其优异的杀菌活性,可能成为一种潜在的植物病原体候选杀菌剂。