独特的抗真菌成分 部署由皮拉姆启发的β-基化 (异基) 亚利乙烯胺
Wenlong Kong1, Nannan Li1, Shengxin Sun1
1State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China.
Journal of agricultural and food chemistry
|October 16, 2025
概括
基于β替代 (异质) 类乙烯胺的新型杀菌剂对Sclerotinia sclerotiorum表现出强烈的活性. 这些新型的酸脱酶抑制剂 (SDHI) 化合物比皮拉姆更有效,并显示出农业应用的实际潜力.
科学领域:
- 农业化学 农业化学
- 杀菌剂开发 杀菌剂开发
- 有机合成 有机合成
背景情况:
- 酸脱酶抑制剂 (SDHI) 杀菌剂对于作物保护至关重要.
- 引入β-arylethylamines已经增强了SDHI真菌杀菌剂的有效性.
- 皮拉姆作为一种新的杀菌剂开发的基准.
研究的目的:
- 设计和合成新的抗真菌剂,灵感来自于皮拉姆.
- 为了确定增强杀菌活性的新药因子.
- 为了评估新化合物对 *Sclerotinia sclerotiorum* 的疗效.
主要方法:
- 合成了52种新的β-乙烯乙烯衍生物.
- 针对*Sclerotinia sclerotiorum*进行抗真菌查,以确定EC50值.
- 分子对接模拟以分析结合相互作用.
- 对有前途的候选药物的体内疗效测试.
主要成果:
- 七种新型胺基化合物 (LN8,LN9,LN11,LN13,LN20,LN26,LN27) 被确定为强大的抗真菌候选物.
- 这些化合物表现出EC50值在0.31μM至0.63μM之间,比fluopyram (EC50,5.46μM) 的性能优于8至18倍.
- 候选LN9在体内显示显著的治疗 (63.2%) 和预防 (70.6%) 对*S. sclerotiorum*的有效性.
- LN9表现出对酸脱酶 (SDH) 的并行抑制活性,并破坏了真菌线粒体.
结论:
- β-替代 (异质) 乙烯胺代表了一种有前途的新化学实体,用于杀菌剂的发现.
- 合成的胺为现有杀菌剂提供了具有成本效益和合成可用的替代品.
- 这些化合物的进一步开发可能会导致农业真菌病管理的先进解决方案.
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