Synthetic ditopic receptors

被引：147

作者：

Kirkovits, GJ

Shriver, JA

Gale, PA

Sessler, JL ^{[1
]}

机构：

[1] Univ Texas, Inst Cell & Mol Biol, Dept Chem & Biochem, Austin, TX 78712 USA

[2] Univ Southampton, Dept Chem, Southampton SO17 1BJ, Hants, England

来源：

JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY | 2001年 / 41卷 / 1-4期

基金：

美国国家卫生研究院;

关键词：

association constants; cation and anion binding; ditopic receptors; ion-pair recognition; salt binding;

D O I：

10.1023/A:1014468126351

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A small. but emerging field of topical interest in supramolecular chemistry is ion-pair recognition, in which a host simultaneously binds both cationic and anionic guests. Details of these receptors. which combine, for example, crown ethers and calixarenes for cation complexation, with Lewis acid centers, pyrroles, amides or urea groups for anion recognition, will be discussed. The predicate of this approach, successfully achieved in certain instances, is that the binding of one guest ion can induce electrostatic and conformational changes in the host, thereby enhancing the complexation of the counter ion.

引用

收藏

页码：69 / 75

页数：7

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