Crown ether appended amidopyrrole clefts

被引：7

作者：

Camiolo, S ^{[1
]}

Coles, SJ ^{[1
]}

Gale, PA ^{[1
]}

Hursthouse, MB ^{[1
]}

Tizzard, GJ ^{[1
]}

机构：

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

来源：

SUPRAMOLECULAR CHEMISTRY | 2003年 / 15卷 / 03期

关键词：

ion-pairing; pyrrole; ion-pair receptor; anion recognition;

D O I：

10.1080/1024123021000036348

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two new pyrrole amide-crown ether conjugates have been synthesised and their anion complexation properties studied in the absence and presence of stoichiometric quantities of sodium or caesium cations. Certain anions are sequestered by the metal cation in DMSO-d(6) (0.5% water), however, in one case a 4.7 fold increase in the fluoride affinity of the receptor was observed upon addition of caesium cations.

引用

页码：231 / 234

页数：4

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