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
合物，其中7个是新合物，其结构
由元素分析，及红外、核磁、质谱分析证
。
]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.
合成了10个内酯型合物，其中7个是新合物，其结构由元素分析，及红外、核磁、质谱分析证。
：以上例句、词性分类
由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
