氟虫腈类似物的设计及合成+文献综述
关键词：氟虫腈；环氧虫啶；苯基吡唑类杀虫剂
Design and synthesis of the Fipronil derivatives based on Cycloxaprid
Abstract： Fipronil, a highly effective, low toxicity and residue for the broad spectrum of pyrazole insecticide, discovering and screening the novel derivatives of fipronil paid great attention in the field of pesticidal chemistry recently. In this thesis, focus on the method for synthesis of Nitrogen heterocyclic epoxy groups and modification the intermediate of Fipronil. It is expected we designedit was expected that by introducing Cycloxaprid groups in place of the trifluoromethyl sulfoxide groups of fipronil. Some intermediates were characterized by LC-MS and 1H-NMR.
Key words: Fipronil; Cycloxaprid; Phenylpyrazole insecticide
目录
1绪论 ..1
1.1概述 .1
1.2锐劲特概述 .1
1.2.1锐劲特的简介 1
1.2.2锐劲特的应用 2
1.2.3锐劲特的降解及毒性 2
1.2.4锐劲特的生态风险 .3
1.2.5锐劲特的合成方法 .3
1.3吡虫啉的概述 4
1.3.1吡虫啉的简介 4
1.3.2吡虫啉的应用 6
1.3.2吡虫啉的合成方法 ..6
1.4环氧虫啶的概述 ..6
1.4.1环氧虫啶的简介 ..6
1.4.2环氧虫啶的应用前景 .. 6
1.4.3环氧虫啶的由来 ..6
1.5本论文指导思想和主要目标 6
2 实验部分 ..9
2.1实验的试剂和仪器 .9
2.1.1实验试剂 ..9
2.1.2实验仪器 ..9
2.1.3试剂的物理常数 ..9
2.2实验路线 10
2.3反应的合成 ..11
2.4实验结果与讨论 12
2.4.1席夫碱的合成 .12
2.4.1.1席夫碱的作用机制 .12
2.4.1.2催化剂的选择和用量对反应的影响 13
2.4.2还原反应的合成 13
2.4.2.1还原反应的机理 13
2.4.2.2.还原反应存在的问题 13
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