In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
成了10个内酯型冠醚
，其中7个冠醚是新，其结构
由元素分
，及红外、核磁、质谱分
。
]内酯酸的；无水氢氧酸类的In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
成了10个内酯型冠醚，其中7个冠醚是新，其结构由元素分，及红外、核磁、质谱分。
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