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
化合物，其中7个
新化合物，其结构
由元素分析，及红
、
、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个内酯型化合物，其中7个新化合物，其结构由元素分析，及红、、质谱分析证实。
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