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Novel Trifluoromethyl Pyridine Derivatives Bearing a 1,3,4‐Oxadiazole Moiety as Potential Insecticide
ChemistrySelect ( IF 1.9 ) Pub Date : 2018-03-12 , DOI: 10.1002/slct.201800123 Fangzhou Xu 1 , Yanyan Wang 1 , Dexia Luo 1 , Gang Yu 1 , Yikun Wu 1 , Ali Dai 1 , Yonghui Zhao 2 , Jian Wu 1
ChemistrySelect ( IF 1.9 ) Pub Date : 2018-03-12 , DOI: 10.1002/slct.201800123 Fangzhou Xu 1 , Yanyan Wang 1 , Dexia Luo 1 , Gang Yu 1 , Yikun Wu 1 , Ali Dai 1 , Yonghui Zhao 2 , Jian Wu 1
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A series of trifluoromethyl pyridine derivatives containing an 1,3,4‐oxadiazole moiety was synthesized and characterized by 1H NMR, 19F NMR, 13C NMR, and HR‐MS. The bio‐assay results indicated that some of the synthesized compounds exhibited good insecticidal activity against Mythimna separate and Plutella xylostella. Most of the synthesized compound showed 100% activity against the two pests at 500 mg⋅L−1; in practically, the value of median lethal concentration (LC50) for some title compounds was much lower than that of commercial chlorpyrifos. Preliminary structure‐activity relationship was also discussed.
中文翻译:
带有1,3,4-恶二唑部分的新型三氟甲基吡啶衍生物作为潜在的杀虫剂
合成了一系列包含1,3,4-恶二唑部分的三氟甲基吡啶衍生物,并通过1 H NMR,19 F NMR,13 C NMR和HR-MS进行了表征。生物测定结果表明,某些合成的化合物对Mythimna分离株和小菜蛾具有良好的杀虫活性。在500 mg·L -1时,大多数合成化合物对两种害虫均表现出100%的活性。实际上,某些标题化合物的致死浓度中值(LC 50)远低于商业毒死that。初步的构效关系也进行了讨论。
更新日期:2018-03-12
中文翻译:
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带有1,3,4-恶二唑部分的新型三氟甲基吡啶衍生物作为潜在的杀虫剂
合成了一系列包含1,3,4-恶二唑部分的三氟甲基吡啶衍生物,并通过1 H NMR,19 F NMR,13 C NMR和HR-MS进行了表征。生物测定结果表明,某些合成的化合物对Mythimna分离株和小菜蛾具有良好的杀虫活性。在500 mg·L -1时,大多数合成化合物对两种害虫均表现出100%的活性。实际上,某些标题化合物的致死浓度中值(LC 50)远低于商业毒死that。初步的构效关系也进行了讨论。