杀扑磷及其合成

Methidation and Its Synthesis

介绍了广谱性杀虫剂杀扑磷的物化性质、毒性、应用范围及其合成方法。原药是由黄原酸盐起始，经制肼、环化、羟甲基化、氯（甲基）化、缩合（或“一锅烩”法）等步骤合成而得。

The physical chemical characteristic, toxicity, applicationrange and synthesis method of methidathion, a broad spectruminsecticide, were introduced-Methidation had been sythesisedwith xanthate as raw materials through the process of hydrazi-nium preparation, cyclization, methylolation, chloromethyla-tion and condensation.