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6-三氟甲基脲嘧啶衍生物的合成与除草生物活性

Synthesis and Herbicidal Activities of 6-Trifluromethyluracil

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【Author】 LIU Min-hua1,2,WU Dao-xin1,MAO Guan-qun2,3,LIU Qi-xing2,4,WEI Tian-long2,3,TANG ming1,2,ZUO Wen-qing 1,2,LIU Ai-ping2(1.School of Chemistry and Bioengineering,Changsha University of Science and Technology,Changsha 410076,China;2.National Engineering Research Center for Agrochemicals,Hunan Research Institute of Chemical Industry,Changsha 410007,China;3.College of Chemistry and Chemical Engineering,Hunan Normal University,Changsha 410082,China;4.College of Chemistry and Chemical Engineering,Hunan University,Changsha 410082,China)

【机构】长沙理工大学化学与生物工程学院；湖南化工研究院国家农药创制工程技术研究中心；湖南师范大学化学化工学院；湖南大学化学化工学院；

【摘要】合成了9个6-三氟甲基脲嘧啶类化合物,用1H NMR、MS、IR等对其结构进行了表征;初步除草生物活性实验结果表明:大多化合物对双子叶杂草苘麻、刺苋和藜以及单子叶杂草马唐、稗和狗尾表现出显著的除草活性,其中3-(2,4-二氯苯基)-6-三氟甲基脲嘧啶在375 g a.i./ha初筛剂量下,对双子叶杂草苘麻、刺苋和藜都具有100%的除草活性。更多还原

【Abstract】 Nine 3-(substituted phenyl)uracil derivatives were synthesized,and their structures were confirmed by IR,MS and 1H NMR.Research indicated that most of the compounds showed high herbicidal activities against Abutilon theophrasti,Amaranthus ascedense and Chenopodium album.Some of them possessed high activities against Digitaria sanguinalis,Echinochloa crus-galli and Setaria viridis.Especially,at the dosage of 25 g a.i./ha,the compound 3-(2,4-dichlorophenyl)-6-(trifluoromethyl)pyrimidine-2,4(1H,3H)-dione possessed 100% lethality rate against Abutilon theophrasti,Amaranthus ascedense and Chenopodium.更多还原

【关键词】 6-三氟甲基脲嘧啶衍生物；合成；除草生物活性；
【Key words】 synthesis； 3-(substituted phenyl)uracil； herbicidal activity；

【文献出处】精细化工中间体 ,Fine Chemical Intermediates , 编辑部邮箱 ,2011年01期

【分类号】TQ457.2
【被引频次】5
【下载频次】248

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