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Support vector machine (SVM) classification model based rational design of novel tetronic acid derivatives as potent insecticidal and acaricidal agents

机译:基于支持向量机(SVM)分类模型的新型tetronic酸衍生物作为有效的杀虫和杀螨剂的合理设计

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摘要

A novel support vector machine (SVM) classification model was established for distinguishing potent and weak/inactive insecticides. Classification model-based rational design of novel tetronic acid derivatives was then performed to choose the preferable site of spirotetramat for chemical modification. Afterwards, eleven C5'-oxime ether-derived spirotetramat analogues, which are indicated as "potent class", were synthesized and validated by biological assays, revealing that theoretical estimates are significantly consistent with experimental activities of these compounds. To be of interest, the most promising compound 91b exhibited excellent insecticidal and acaricidal activities. Moreover, molecular docking was further implemented to propose the possible interaction mode of acetyl-CoA carboxylase (ACCase) and compounds 91b, 91j, and 91k, providing some important and useful guidelines for further development.
机译:建立了一种新颖的支持向量机(SVM)分类模型,用于区分强效和弱/非活性杀虫剂。然后进行基于分类模型的新型Tetronic酸衍生物的合理设计,以选择螺四溴甲烷的优选位点进行化学修饰。之后,通过生物学测定法合成并验证了11种C5'-肟醚衍生的螺旋四茂类似物,并通过生物学分析进行了验证,这表明理论估计值与这些化合物的实验活性显着一致。令人感兴趣的是,最有希望的化合物91b表现出优异的杀虫和杀螨活性。此外,进一步实现了分子对接,以提出乙酰辅酶A羧化酶(ACCase)与化合物91b,91j和91k可能的相互作用模式,为进一步开发提供了一些重要而有用的指导。

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