Anion receptors: A new class of amide/quaternized amine macrocycles and the chelate effect

被引：120

作者：

Hossain, MA ^{[1
]}

Kang, SO ^{[1
]}

Powell, D ^{[1
]}

Bowman-James, K ^{[1
]}

机构：

[1] Univ Kansas, Dept Chem, Lawrence, KS 66045 USA

来源：

INORGANIC CHEMISTRY | 2003年 / 42卷 / 05期

关键词：

D O I：

10.1021/ic0263140

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new class of tetraamide macrocyclic receptors for anions with two quaternized amine functionalities exhibited higher affinities for anions compared with the corresponding neutral amides. In two crystal structures of halide complexes of the prototypes with phenyl and pyridine spacers, the anions are held by hydrogen bonding with the amide hydrogens. The pyridine analogues display higher affinities in general than the phenyl systems, a phenomenon which is attributed to the anion version of the chelate effect.

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页码：1397 / 1399

页数：3

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