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

页码：7986 / 7989

页数：4

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