Aramidocalix[4]arenes as new anion receptors

被引：27
|
作者：
Troisi, Francesco [1 ]
Russo, Alessio
Gaeta, Carmine [1 ]
Bifulco, Giuseppe [2 ]
Neri, Placido [1 ]
机构：
[1] Univ Salerno, Dipartimento Chim, I-84084 Salerno, Italy
[2] Univ Salerno, Dipartimento Sci Farmaceut, I-84084 Salerno, Italy
来源：
TETRAHEDRON LETTERS | 2007年 / 48卷 / 45期
关键词：
calixarenes; aromatic amides; anion recognition; hydrogen bonds;
D O I：
10.1016/j.tetlet.2007.09.046
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Calix[4]arenes bearing aromatic amide (aramid) moieties at the upper rim display interesting recognition properties toward anions and in particular versus planar trigonal nitrate and Y-shaped benzoate. Molecular modeling and DFT calculations indicate that the high affinity displayed by aramidocalix[4]arenes 3 and 4 for nitrate anion is likely due to the planar arrangement of the NH groups, which form an unusual six-hydrogen-bond scheme with nitrate anion. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：7986 / 7989
页数：4
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