Synthesis and Biological Evaluation of Novel Benodanil-Heterocyclic Carboxamide Hybrids as a Potential Succinate Dehydrogenase Inhibitors
作者:Jian Yang、Yongtian Zhao、Jun Wan、Mingfang Jiang、Hong Jin、Ke Tao、Taiping Hou
DOI:10.3390/molecules25184291
日期:——
against succinate dehydrogenase (SDH) than benodanil (IC50 = 62.02 mg/L). Molecular docking revealed that compound 17 fit in the gap composed of subunit B, C, and D of SDH. Furthermore, it was shown that the main interaction, one hydrogen bond interaction, was observed between compound 17 and the residue C/Trp-73. These studies suggested that compound 17 could act as a potential fungicide to be used
为了发现新的抗真菌剂,设计、合成了 20 种新型苯达尼 - 杂环甲酰胺杂化物,并通过 1 H NMR 和 HRMS 对其进行表征。在体外,评估了它们对四种植物病原真菌的抗真菌活性,并且一些 50 mg/L 的目标化合物显示出对立枯丝核菌的显着抗真菌活性。尤其是化合物17(EC50 = 6.32 mg/L)和18(EC50 = 6.06 mg/L)对立枯病菌表现出良好的抗真菌活性,并且优于铅杀真菌剂苯达尼(一种琥珀酸脱氢酶抑制剂,SDHI)(EC50 = 6.38毫克/升)。此外,扫描电子显微镜图像显示,与阴性对照相比,添加了化合物 17 的处理培养基上的菌丝体生长异常,菌落稀疏、枯萎和重叠,化合物17(IC50 = 52.58 mg/L)和18(IC50 = 56.86 mg/L)对琥珀酸脱氢酶(SDH)的抑制能力优于苯达尼(IC50 = 62.02 mg/L)。分子对接显示化合物17适合