β-环糊精对香豆素衍生物包结行为的研究

doi:10.7517/j.issn.1674-0475.2000.01.67

影像科学与光化学 ›› 2000, Vol. 18 ›› Issue (1): 67-72.DOI: 10.7517/j.issn.1674-0475.2000.01.67

β-环糊精对香豆素衍生物包结行为的研究

戴赵华, 吴世康

中国科学院感光化学研究所, 北京100101

收稿日期:1999-04-06 修回日期:1999-05-14 出版日期:2000-02-20 发布日期:2000-02-20
通讯作者: 吴世康
基金资助:
国家自然科学重点基金委资助项目(批准号:29733100)

A STUDY ON THE INCLUSION BEHAVIOR OF COUMARIN DERIVATIVES IN β-CYCLODEXTRIN

DAI Zhaohua, WU Shikang

Institute of Photographic Chemistry, The Chinese Academy of Sciences, Beijing 100101, P. R. China

Received:1999-04-06 Revised:1999-05-14 Online:2000-02-20 Published:2000-02-20

摘要/Abstract

摘要： 环糊精(CD)是天然的环状低聚糖,是由葡萄糖单元通过-1,4-糖苷键相连而组成.最普通的环糊精是、和-环糊精,它们分别含有6、7和8个葡萄糖单元,呈空心截顶圆锥结构,其内腔含有一个或多个水分子,并能较容易地被其他物种取代,即环糊精独特的结构使它能包合多种不同的客体分子^[1].因此,环糊精可被应用于分子识别领域,如可用作为荧光化学敏感器的接受体部分等^[2,3].虽说环糊精自身在光谱上是惰性的,但通过化学修饰,可以成为很好的荧光化学敏感器,在这方面已有了不少工作报道^[4~6].

关键词: 香豆素, β-环糊精, 金刚烷酸, 包合物

Abstract: The spectral behaviors of a series of coumarins in water with different concentrations of β-cyclodextrin were studied in this work. It has been found that β-cyclodextrin’s inclusion capacity to these coumarins is closely related to their structural and substitution features. The influence of the polarity of the internal cavity of β-cyclodextrin on coumarins’ spectra corresponds with the degree of coumarins’ intramolecular charge transfer. The formation of hydrogen bonds between -OH,-NH₂ substituted coumarin derivatives and β-cyclodextrin acts as an obstacle to inclusion. Because the size of β-cyclodextrin is definite, it is of great importance for good inclusion to take place that the size of the guest molecule match that of β-cyclodextrin.

Key words: coumarin, β-cyclodextrin, adamantane acid, inclusion complex

戴赵华, 吴世康. β-环糊精对香豆素衍生物包结行为的研究[J]. 影像科学与光化学, 2000, 18(1): 67-72.

DAI Zhaohua, WU Shikang. A STUDY ON THE INCLUSION BEHAVIOR OF COUMARIN DERIVATIVES IN β-CYCLODEXTRIN[J]. Imaging Science and Photochemistry, 2000, 18(1): 67-72.

参考文献

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β-环糊精对香豆素衍生物包结行为的研究

A STUDY ON THE INCLUSION BEHAVIOR OF COUMARIN DERIVATIVES IN β-CYCLODEXTRIN

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