Recognition of anions and monocarboxylic acids by a fluorescent guanidine-based receptor

被引：8

作者：

Goswami, Shyamaprosad ^{[1
]}

Jana, Subrata ^{[1
]}

Chakrabarty, Rinku ^{[1
]}

Fun, Hoong-Kun ^{[2
]}

机构：

[1] Bengal Engn & Sci Univ, Dept Chem, Howrah 711103, W Bengal, India

[2] Univ Sains Malaysia, Xray Crystallog Unit, Sch Phys, Usm 11800, Penang, Malaysia

来源：

SUPRAMOLECULAR CHEMISTRY | 2010年 / 22卷 / 03期

关键词：

molecular recognition; hydrogen bonding; fluorescence sensor; guanidine; MOLECULAR RECOGNITION; DICARBOXYLIC-ACID; ARTIFICIAL RECEPTOR; AMINO-ACID; BINDING; AMIDE; COMPLEXATION; CARBOXYLATES; CHEMOSENSOR; BEHAVIOR;

D O I：

10.1080/10610270902980614

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A guanidine-based fluorescent receptor has been synthesised to study its binding behaviour towards anions (F-, Cl-, Br-, I-and AcO-). The two donor NZH bonds of the receptor do not point in the same direction; rather, one N-H bond is intramolecularly hydrogen-bonded with the carbonyl oxygen atom. The nature of the donor-acceptor (DA) arrangement induces moderate binding properties. The binding behaviour towards monocarboxylic acids (benzoic acid and phenylacetic acid) is also compared. The binding behaviour of receptor 1 towards the F- anion is higher among the anions studied, whereas in the case of monocarboxylic acid, the binding constant with phenylacetic acid is higher than benzoic acid.

引用

页码：143 / 148

页数：6

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