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茶叶科学 ›› 2006, Vol. 26 ›› Issue (2): 91-95.doi: 10.13305/j.cnki.jts.2006.02.003

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茶皂甙合成聚醚反应机理及其衍生物结构表征

杨钟鸣1, 张明1, 丁志1, 周玉成2, 朱小兵2, 戚渭新2, 胡兵2   

  1. 1. 中国农业科学院茶叶研究所,浙江 杭州 310008;
    2. 金陵石化研究院,江苏 南京 210046
  • 收稿日期:2005-10-10 修回日期:2006-03-06 出版日期:2006-06-25 发布日期:2019-09-10
  • 作者简介:杨钟鸣(1966- )男,浙江义乌人,副研究员,主要从事茶天然物产研究与开发。
  • 基金资助:
    浙江省自然科学基金资助项目(302099)

Mechanism of Polymerization and Structure Characterization of Polyetherified Derivative of Theasaponins

YANG Zhong-ming1, ZHANG Ming1, DING Zhi1, ZHOU Yu-cheng2, ZHU Xiao-bing2, QI Wei-xin2, HU Bing2   

  1. 1. Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China;
    2. Research Institute of Jinling Petrochemical Corporation, Nanjing 210046, China
  • Received:2005-10-10 Revised:2006-03-06 Online:2006-06-25 Published:2019-09-10

摘要: 在双金属氰化物络合催化剂(DMC)作用下,茶皂甙与环氧丙烷开环聚合,在不破坏茶皂甙活性五元环的前提下,合成亲油性的茶皂甙聚醚衍生物。本文初步探讨了茶皂甙聚醚反应的机理,并用FTIR、NMR对聚醚进行了结构分析表征。结果表明,聚醚的序列结构以头-尾相连为主且呈无规立构分布的特点。

关键词: 茶皂甙, 双金属氰化物络合催化剂, DMC, 机理

Abstract: The polymerization of theasaponins and propylene oxide catalyzed by double metal cyanide complex was described by the authors. Via ring-opening polymerization, a new polyetherified derivative of theasaponins which has perfect lipophilicity was obtained and the mechanism of polymerization was discussed. The structure of polyether was analyzed and characterized by FTIR and NMR. Results showed that head-tail addition and atactic structure were dominant in polyether microstructure.

Key words: theasaponins, double metal cyanide complex, DMC, mechanism

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