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
型冠醚化合物，其中7个冠醚是新化合物，其结构
由元素
析，及红外、核磁、质谱析证实。
；无水氢氧类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个内型冠醚化合物，其中7个冠醚是新化合物，其结构由元素析，及红外、核磁、质谱析证实。
声明：以上例句、词性
类
由互联网资源自动生成，
经过人工审核，其表达内容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
