In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
合成了10个内酯型冠醚化合
，
7个冠醚是新化合，结构
由元素
，及红外、核磁、质
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.
合成了10个内酯型冠醚化合，7个冠醚是新化合，结构由元素，及红外、核磁、质证实。
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