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个内酯型冠醚化合物，其中7个冠醚是新化合物，其
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.
合成了10个内酯型冠醚化合物，其中7个冠醚是新化合物，其素分析，及红外、核磁、质谱分析证实。
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