| Studies on the syntheses and properties of Schiff base type crown ethers |
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| 基金项目： | Project supported by the National Natural Science Foundation of China
the Natural Science Foundation of Henan Province. |
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| 摘 要： | Eight bis-,two tris-and two mono-crown ethers of Schiff base type have been pre-parcd by the reaction of 4'-formylbenzo-15-crown-5 with diamincs.Conductivity measurementsshow that the bis-crown ethers form 1:1 complexes(crown cther unit:metal ion)with sodiumion and 2:1 complexes with potassium,rubidium and ammonium ion,respectively.
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Studies on the syntheses and properties of Schiff base type crown ethers |
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| Authors: | Yang-Jie Wu Bin Zhao Li-Wang Zhao Lian-Fang Shen Dong-Hui WU |
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| Abstract: | Sight bis-, two tris- and two mono-crown ethers of Schiff base type have been prepared by the reaction of 4′-formylbenzo-15-crown-5 with diamines. Conductivity measurements show that the bis-crown ethers form 1:1 complexes (crown ether unit : metal ion) with sodium ion and 2:1 complexes with potassium, rubidium and ammonium ion, respectively. |
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