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用邻甲酰基苯氧基乙酸与二氨基硫脲和水合肼为原料，经缩合反应，合成了３个新型的希夫碱化合物，通过元素分析，ＴＧＡ，ＩＲ和１ＨＮＭＲ等方法表征了它们与铅（Ⅱ）配合物的结构．结果表明，配体分别以双碱基四齿和双碱基二齿形式与铅（Ⅱ）形成了１：１的配合物
Three new Schiff base compounds were synthesized by the reaction of o-formylphenoxyacetic acid with diaminothiourea and hydrazine hydrate. Their chemical structures were characterized by elemental analysis, TGA, IR and 1HNMR. (Ⅱ) the structure of the complex. The results showed that the ligands formed a 1: 1 complex with lead (Ⅱ) in the form of two bases and two bases respectively.