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中文摘要：
为寻找高活性的新烟碱类杀虫剂，根据簇合效应原理，以吡虫啉为母体，合成了几类酰基连接的吡虫啉二效价簇合物。其化学结构经。HNMR和元素分析确证。初步的生物活性测试结果表明，化合物4a、4c在100mg／L时对麦长管蚜Macrosiphum avenae的平均致死率分别达78．4％和77．3％，但活性均低于对照药剂吡虫啉。
英文摘要：
In search for neonicotinoid insecticides with high activity, seven novel bivalent compounds were prepared from imidacloprid as precursor compound. Their structures were confirmed by 1H NMR and elemental analysis. The preliminary bioassay indicated that these compounds showed insecticidal activity. The average mortality of 4a and 4c to Macrosiphum avenae at the concentration of 100 mg/L reached 78.4% and 77.3%, respectively. But the activity of these compounds was not as good as imidacloprid, the control pesticide.
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