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(E)-1,5-二苯基-2-戊烯-1-酮(I)是从瑞香狼毒(Stellera chamaejasme L.)中分离得到的天然产物,能有效防治重要农业害虫蚜虫.以价廉易得的苯乙酮为起始原料,经过4步反应合成化合物I,所得目标产物结构经过1HNMR,IR和元素分析确证.并探讨了反应温度和溶剂对产物顺反比例的影响.生物活性测试结果表明,化合物I对桃蚜(Myzus persicae)具有较强的杀蚜活性,其LC50为178.96μg/mL.
(E) -1,5-Diphenyl-2-penten-1-one (I) is a natural product isolated from Stellera chamaejasme L. It can effectively control the major agricultural pests aphids Cheap and easy-to-obtain acetophenone as the starting material, the compound I was synthesized through 4 steps, and the structure of the obtained product was confirmed by 1HNMR, IR and elemental analysis, and the influence of reaction temperature and solvent on the ratio of the product to the product was also discussed. The results showed that compound I had a strong aphid-killing activity against Myzus persicae with an LC50 of 178.96μg / mL.