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Solid-phase Synthesis of [4.4] Spirocyclic Oximes
Published on: February 6, 2019
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发现了新型的2,4,5-Trisubstituted Oxazoline衍生物作为强大的杀剂
Wenning Chang1, En Wang1, Cong Zhou1
1Shanghai Key Laboratory of Chemical Biology & School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China.
Journal of agricultural and food chemistry
|December 15, 2025
概括
研究人员开发了新型的zoline衍生物来对抗虫害. 化合物12aa具有强烈的杀卵和杀幼虫活性,毒性降低,提供更安全的害虫防治替代品.
科学领域:
- 农业化学科学 农业化学科学
- 药用化学 医学化学
- 毒理学 毒理学 毒理学
背景情况:
- 埃托克萨对水生无脊椎动物具有很高的毒性,结构多样性有限.
- 需要新型的虫杀虫剂,其安全性和疗效均有所提高.
- 开发新的害虫管理策略对于可持续农业至关重要.
研究的目的:
- 设计和合成新型的2,4,5-三位替代性佐林衍生物.
- 评估这些新化合物的杀性活性和杀性/杀性作用.
- 评估合成化合物的对水生生物,特别是斑马鱼的毒性.
主要方法:
- 合成了27种新型的2,4,5-三位替代的佐林衍生物.
- 对虫杀虫,虫杀虫和虫杀虫活动的系统评估.
- 计算研究包括潜在表面计算,分子对接 (氨酸合成酶1) 和密度函数理论 (DFT).
- 斑马鱼毒性测试用于评估急性毒性.
主要成果:
- 化合物12aa表现出显著的杀性 (LC50 = 0.14 mg/L) 和杀性 (LC50 = 0.09 mg/L) 活动.
- 化合物12q和12u显示出中度的卵灭菌活性 (LC50分别为0.84 mg/L和0.74 mg/L).
- 斑马鱼毒性测定表明,与现有的虫杀虫剂相比,化合物12q,12u和12aa的急性毒性显著降低.
- 计算研究表明,TcCHS1的脂性和结合形状差异有助于不同的生物活动.
结论:
- 鉴定出了一种具有强大的虫杀伤性质的新型2,4,5-基替代氧素支架.
- 化合物12aa是一种有前途的化合物,用于开发更安全,更有效的杀剂.
- 合成的oxazoline衍生物代表了一种潜在的替代品,用于减少对环境的影响的害虫防治.
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