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在冠醚分子中引入其它杂原子或活性基团,有可能改善冠醚的某些性能,例如内酯冠醚与某些金属离子络合时,分子中的酯羰基也参与了配位.作者曾合成功一些N—取代的含氮大环内酯,发现它们对金属离子和水分子有配合行为.本文报道两个具有对称结构的对甲苯磺酰基侧链的二氮和四氮大环内酯的合成,其合成路线如下:
The introduction of other heteroatoms or reactive groups into the crown ether molecule may improve some properties of the crown ether. For example, the lactone crown ether complexed with some metal ions and the carbonyl groups in the molecule participated in the coordination. Some N-substituted nitrogen-containing macrocyclic lactones were successfully synthesized and found to have coordination behavior with metal ions and water molecules.In this paper, two diazotetrazole and four nitrogen macrocycles containing p-toluenesulfonyl side chain with symmetrical structure Synthesis of esters, the synthetic route is as follows: