Capped cyclodextrins

被引：228

作者：

Engeldinger, E ^{[1
]}

Armspach, D ^{[1
]}

Matt, D ^{[1
]}

机构：

[1] Univ Strasbourg, Lab Chim Inorgan Mol, UMR 7513, F-67008 Strasbourg, France

来源：

CHEMICAL REVIEWS | 2003年 / 103卷 / 11期

关键词：

D O I：

10.1021/cr030670y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The capping of cyclodextrins has proven its usefulness in a number of applications. Not only does it constitute an efficient means to achieve di- or trifunctionalization of one of the cavity face, but it also allows the positioning of functional groups above the cavity entrance at a given location. Depending on the nature, the shape, and the size of the cap, substrate preferences can be dramatically altered with respect to those observed for native or flexibly functionalized CDs. With photoactive active caps, it is possible to design systems displaying vectorial through-space photochemical processes as in the photosynthetic center of plants. Bringing functionalities close to the cavity entrance by means of a rigid cap also promotes coordinative as well as noncovalent bonds between the capping unit and the cavity chiral inner walls or an included guest. This has profound implications for the future development of CD-based systems displaying supramolecular and asymmetric catalysis, whether metal mediated or not.

引用

页码：4147 / 4173

页数：27

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