Recognition of Carboxylate Anions and Carboxylic Acids by Selenium-Based New Chromogenic Fluorescent Sensor: A Remarkable Fluorescence Enhancement of Hindered Carboxylates

被引：69

作者：

Goswami, Shyamaprosad ^{[1
]}

Hazra, Anita ^{[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, Sch Phys, Xray Crystallog Unit, George Town 11800, Malaysia

来源：

ORGANIC LETTERS | 2009年 / 11卷 / 19期

关键词：

BIS-CARBOXYLATES; RECEPTORS; FLUORIDE; CHEMOSENSORS; DERIVATIVES; HIGHLIGHTS; APOPTOSIS; CANCER;

D O I：

10.1021/ol901737s

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A selenium metal-based new fluorescence sensor 5-pivaloylamino-1,2,5-selenodiazolo[3,4-d]pyrimidin-7-(6H)-one (receptor 1) has been reported for the recognition of monocarboxylic acids and carboxylate anions both by UV-vis and fluorescence methods. Receptor 1 recognizes carboxylate anions more than monocarboxylic acids and it is a selective sensor for carboxylates with specially hindered carboxylate anions. The changes of fluorescence intensity are remarkably enhanced with red shift in presence of bulky carboxylate anions. The X-ray crystal structure of receptor 1 with pivalic acid has been reported.

引用

页码：4350 / 4353

页数：4

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