陆贻超,刘志春,张亚杰

• 1:中国科学院宁波材料技术与工程研究所

摘要(Abstract)：

针对2,5-呋喃二甲酸(FDCA)缺乏单晶基础数据和纯化难的问题,用加合结晶法对粗FDCA进行分离,再用N,N-二甲基甲酰胺(DMF)结晶纯化,制备并解析不同溶剂中的FDCA单晶。发现水和DMF中的FDCA单晶结构相同,分子间有两种氢键,呋喃环间氢键使FDCA和加合结晶结构更稳定;与N,N-二甲基乙酰胺(DMAC)加合结晶纯化后,FDCA脱色率高达94.94%,DMF中结晶后FDCA纯度最高达R=99.98%。

关键词(KeyWords)： 2,5-呋喃二甲酸;晶体结构;纯化方法;加合结晶

Abstract:

Keywords:

基金项目(Foundation): 宁波市自然科学基金(2018A610185);; 宁波市“科技创新2025”重大专项(2018B10011);; 宁波市创新团队(2015B11003)

作者(Author): 陆贻超,刘志春,张亚杰

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