1) benzoylurea pesticides

苯甲酰脲类农药
1.
According to spectral characteristics that benzoylurea pesticides can emit fluorescence as they are irradiated by UV rays,an optical fiber fluorescence measurement system based on Charge-coupled Device (CCD) was designed for pesticides residue.
根据苯甲酰脲类农药在紫外光的照射下能够发出荧光的机理,设计了一种基于CCD(电荷耦合器件)的检测该类有机农药残留的光纤荧光测量系统。
2) Benzoylurea

苯甲酰脲类
1.
Determination of Benzoylurea Multi-residues in Vegetable by Solid-Phase Extraction and High Performance Liquid Chromatography
固相萃取——液相色谱分析蔬菜中多种苯甲酰脲类昆虫生长调节剂残留量
4) benzoyl urea analogues

苯甲酰脲类似物
5) benzoylurea

苯甲酰脲
1.
Teflubenzuron is a new benzoylurea insecticide with especially good efficacy in controlling insect pestsresistant to organophosphate, synthetic pyrethroid, and carbamate insecticides.
伏虫隆是一种新苯甲酰脲类杀虫剂,尤其对有机磷、拟除虫菊酯、氨基甲酸酯三类杀虫剂已产生抗性的害虫防治效果更佳。
2.
A LC-MS/MS method was developed for the simultaneously determination of 11 benzoylurea insecticides residues,including forchlorfenuron,diflubenzuron,chlorbenzuron,triflumuron,hexaflumuron,lufenuron,teflubenzuron,fluazuron,flufenoxuron,diafenthiuron,chlorfluazuron,in vegetable samples.
建立了同时测定蔬菜中氯吡苯脲、除虫脲、灭幼脲、杀铃脲、氟铃脲、氟丙氧脲、氟苯脲、氟啶蜱脲、氟虫脲、丁醚脲、氟啶脲11种苯甲酰脲类农药残留的液相色谱-串联质谱分析方法。
6) benzoyl urea

苯甲酰脲
1.
Nine novel benzoyl ureas containing sulfur alkyl-substitude-aryl-ketoxime-o-ethers have been synthezed by reation of sulfur alkyl-substitude-aryl-ketoxime-o-ethers and 2,6-difluoro benzoyl isocyanate.
通过含硫不饱和肟醚与2,6-二氟苯甲酰异酯反应,合成了9个新的具有含硫肟醚基的苯甲酰脲类化合物,其结构均经1HNMR、IR、LC/MS及元素分析确证,检测结果表明部分化合物表现出很高的杀虫活性。
2.
Aimed to find new pesticide with high activity and low toxicity, nine novel benzoyl ureas containing oxime-ether group were synthesized according to bioisoster principle.
为寻找高效、低毒的新农药,依据活性基团拼接原理,合成了9个具有肟醚结构的苯甲酰脲类化合物。
补充资料:1,2-双(3-乙氧甲酰基-2-硫脲基)苯
分子式:C14H18N4O4S2
分子量:370.44
CAS号:25564-06-9
性质:无色片状结晶。熔点195℃(分解)。易溶于已酮、乙腈、二甲基酰胺,稍溶于甲醇、丙酮、氯仿。对酸,碱及日光均较稳定。
制备方法:将氯甲酸乙酯与丙酮加入干燥的硫氰酸钠中,于55-65℃搅拌反应0.5h,生成中间体异硫氰基甲酸乙酯。然后再加重主邻苯二胺和丙酮配成的溶液,于50-60℃反应半小时。回收丙酮后,反应物经水洗、过滤、干燥即得托布津原药。
用途:该品为广谱内吸杀菌剂,用于防治多种植物的白粉、小麦赤霉病、油菜菌核病、蕃茄叶霉病等。
分子量:370.44
CAS号:25564-06-9
性质:无色片状结晶。熔点195℃(分解)。易溶于已酮、乙腈、二甲基酰胺,稍溶于甲醇、丙酮、氯仿。对酸,碱及日光均较稳定。
制备方法:将氯甲酸乙酯与丙酮加入干燥的硫氰酸钠中,于55-65℃搅拌反应0.5h,生成中间体异硫氰基甲酸乙酯。然后再加重主邻苯二胺和丙酮配成的溶液,于50-60℃反应半小时。回收丙酮后,反应物经水洗、过滤、干燥即得托布津原药。
用途:该品为广谱内吸杀菌剂,用于防治多种植物的白粉、小麦赤霉病、油菜菌核病、蕃茄叶霉病等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条