冠醚化合物的合成（ⅩⅪⅠ）．内酯型冠醚的合成

Synthesis of crown ethers XXII. synthesisof lactonic crown ethers

合成了１０个内酯型冠醚化合物，其中７个冠醚是新化合物，其结构均由元素分析，及红外、核磁、质谱分析证实。

In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.