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N-[2-(4,6-二甲氧基嘧啶-2-氧基)苯亚甲基]-2-芳氧乙酰腙的合成与除草活性 被引量：2

Synthesis and Herbicidal Activity of N-[2-(4,6-Dimethoxypyrimidin-2-yloxy)benzylidene]-2-aryloxyacetohydrazides
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摘要 通过2-(4,6-二甲氧基嘧啶-2-氧基)苯甲醛(1)与芳氧乙酰肼2的缩合反应,合成了10个含嘧啶结构的芳氧乙酰腙化合物3,其结构经1H NMR、IR、EI-MS或ESI-MS和元素分析测试技术确证。除草活性测试(活体盆栽)结果表明,大部分目标化合物在1.5 kg/hm2浓度下,无论苗前或苗后处理对苋菜均显示出很强抑制活性,化合物3e和3h的抑制率分别为100%和97.7%,而化合物3a、3b、3d、3e、3f和3h苗后处理对苋菜的抑制率均超过97%,对马唐的除草活性最差。苯环4-位取代基性质对除草活性有规律性影响。 A series of novel N-[2-（4,6-dimethoxypyrimidin-2-yloxy）benzylidene]-2-aryloxyacetohydrazides 3 was synthesized by the condensation reactions of 2-（4,6-dimethoxypyrimidin-2-yloxy）benzaldehyde 1 with various 2-aryloxyacetohydrazides 2.Their structures were characterized by IR,1H NMR,EI-MS,ESI-MS and elemental analysis.The results of bioassay（in vivo） indicated that most of the title compounds 3 possessed good herbicidal activities against Amaranthus retroflexus in both pre-emergence and post-emergence treatments at the dose of 1.5 kg/hm2.
作者 宋红 毛会玉 石德清
机构地区 农药与化学生物学教育部重点实验室华中师范大学化学学院 武汉生物工程学院
出处 《应用化学》 CAS CSCD 北大核心 2011年第10期1173-1178,共6页 Chinese Journal of Applied Chemistry
基金 国家自然科学基金(20872046) 湖北省自然科学基金(2008CDB086)资助项目
关键词 嘧啶水杨酸 芳氧乙酰肼 除草活性 pyrimidinyl carboxylic acid aryloxyacetohydrazide herbicidal activity
分类号 O626 [理学—有机化学]
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参考文献14

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二级参考文献60

共引文献59

同被引文献34

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应用化学
2011年 第10期

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