O,O′-二烃基 N-α-芳氧乙(丙)酰基硫代磷酰肼的合成与除草活性

Synthesis and Herbicidal Activity of O,O'-Dialkyl(aryl)N- Thio Phosphoryl Hydrazines

摘要: 通过芳氧乙(丙)酸与O,O'-二烃基硫代磷酰肼的缩合反应合成了8个未见报道的标题化合物,利用红外光谱、核磁共振、质谱和元素分析确定了化合物的结构。生物活性测试结果表明:目标化合物具有很好的选择性除草活性,其中化合物 3a、3b、3g和3h 对单子叶植物稗草和双子叶植物油菜均有较好的抑制作用,特别是对油菜的抑制作用尤为明显,其效果接近、有些甚至优于对照化合物2,4-D。

Abstract: A series of new title compounds were synthesized by the condensation reactions of O,O'-dialkyl(aryl) thio phosphoryl hydrazines and aryloxy acetic(propionic) acids.Their structures were confirmed by 1H NMR, 31P NMR, IR, MS and elemental analysis. The results of bioassays showed that most of the new compounds have good herbicidal activities.