Synthesis, characterization, and biological activities of novel (Z)-3-((E)-1-(alkyloxyimino)ethyl)-5-arylidene-4-hydroxypyrroline-2-one derivatives
作者:Zhao-Yong Zhu、Xian-Feng Wang、Fan-Gui Meng、Qing-Bin Li、Xiao-Qian Zheng、Sheng Qiang、Chun-Long Yang
DOI:10.1002/jhet.452
日期:2010.11
Twenty‐four novel tetramic acid derivatives (Z)‐3‐((E)‐1‐(alkyloxyimino)ethyl)‐5‐arylidene‐4‐hydroxypyrroline‐2‐ones 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h, 6i, 6j, 6k, 6l, 6m, 6n, 6o, 6p, 6q, 6r, 6s, 6t, 6u, 6v, 6w, 6x were synthesized by the reaction of (Z)‐3‐acetyl‐5‐arylidene‐4‐hydroxypyrroline‐2‐ones 4 with O‐alkyl hydroxylamines 5 under reflux conditions in good yields (77.2–92.4%). Their structures
二十四种新的四酸衍生物(Z)-3-(((E))-1-(烷氧基亚氨基)乙基)-5-亚芳基-4-羟基吡咯啉-2-酮6a,6b,6c,6d,6e,6f,6g,6h,6i,6j,6k,6l,6m,6n,6o,6p,6q,6r,6s,6t,6u,6v,6w,6X通过的(反应合成Ž)-3-乙酰基-5-亚芳基-4- hydroxypyrroline -2-酮4与ø -烷基羟胺5以良好的收率(77.2-92.4%)在回流条件下。通过IR,1 H-NMR,MS和元素分析确认了它们的结构。初步的生物分析表明,大多数标题化合物在浓度为100μg/ mL时,对球形炭疽菌具有显着的杀真菌活性,对禾谷镰刀菌和谷类根瘤菌具有一定程度的杀真菌活性。J.杂环化学。(2010)。