Synthesis and Fungicidal Activity of Aryl Carbamic Acid-5-aryl-2-furanmethyl Ester
作者:Ying Li、Bao-Ju Li、Yun Ling、Hong-Jian Miao、Yan-Xia Shi、Xin-Ling Yang
DOI:10.1021/jf9043277
日期:2010.3.10
Chitin synthesis inhibitors (CSIs) have been well-known as insect growth regulators (IGRs) but rarely found as fungicides in agriculture. To find novel CSIs with good activity, benzoylphenylurea, a typical kind of CSIs, was chosen as the lead compound and 26 novel aryl carbamic acid-5-aryl-2-furanmethyl esters were designed by converting the urea linkages of benzoylphenylureas to carbamic acid esters
甲壳素是昆虫表皮和真菌细胞壁的主要结构成分,但在植物和脊椎动物中却不存在,被认为是害虫防治剂的安全和选择性目标。几丁质合成抑制剂(CSIs)众所周知是昆虫生长调节剂(IGR),但在农业中却很少被用作杀真菌剂。为了找到具有良好活性的新型CSI,选择典型的CSI苯甲酰苯基脲作为先导化合物,并通过将苯甲酰基苯基脲的脲键转化为氨基甲酸酯设计了26种新型的芳基氨基甲酸-5-芳基-2-呋喃甲酯。并将苯胺部分变成呋喃甲基。合成了标题化合物,并通过IR,1确认了其结构1 H NMR和元素分析。进行了初步的杀虫和杀真菌生物测定。结果表明,标题化合物对淡色库蚊和小菜蛾没有杀虫作用,但大多数化合物对棒杆菌,黄瓜枯草芽孢杆菌,灰葡萄孢菌和尖孢镰刀菌均表现出良好的杀菌活性。特别是,化合物V-4,V-6,V-7和V-8对四种菌株的活性比商业化杀菌剂更好。形态学结果表明该化合物V-21干扰了C. cassiicola的