Sulfate recognition by persistent crystalline capsules with rigidified hydrogen-bonding cavities

被引：174

作者：

Custelcean, Radu ^{[1
]}

Remy, Priscilla ^{[1
]}

Bonnesen, Peter V. ^{[1
]}

Jiang, De-En ^{[1
]}

Moyer, Bruce A. ^{[1
]}

机构：

[1] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2008年 / 47卷 / 10期

关键词：

anions; crystal engineering; hydrogen bonds; sulfate; supramolecular chemistry;

D O I：

10.1002/anie.200704937

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Locked up: The sulfate anion is selectively encapsulated into rigid hydrogen-bonded capsules upon crystallization of a simple and flexible urea-functionalized ligand in the presence of Mg2+ ions and water (see structure; sulfate: space-filling).The resulting framework persists in the presence of different-shaped anions, allowing the shape selectivity of hydrogen-bonding hosts to be evaluated, and providing a simple way to separate the environmentally relevant sulfate from highly competitive mixtures of aqueous anions. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：1866 / 1870

页数：5

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