Urea-functionalized crystalline capsules for recognition and separation of tetrahedral oxoanions

被引：101
作者：
Custelcean, Radu [1 ]
机构：
[1] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA
来源：
CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 22期
关键词：
METAL-ORGANIC FRAMEWORKS; HYDROGEN-BONDING GROUPS; ANION-BINDING; SELECTIVE CRYSTALLIZATION; CRYSTALLOGRAPHIC EVIDENCE; SULFATE RECOGNITION; TRIPODAL RECEPTOR; PHOSPHATE ANION; ENCAPSULATION; ION;
D O I：
10.1039/c2cc38252k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The persistent ability of tripodal TREN-based tris-urea receptors (TREN = tris(2-aminoethyl) amine) to self-assemble with a variety of oxoanions into dimeric capsules upon crystallization is reviewed. The capsule crystallization allows for charge-, shape-, and size-selective encapsulation of tetrahedral XO4n anions (n = 2,3), and provides an effective way to separate these anions from competitive aqueous environments.
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页码：2173 / 2182
页数：10
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