A highly enantioselective chiral Schiff-base fluorescent sensor for mandelic acid

被引：27

作者：

Dhara, Koushik ^{[1
]}

Sarkar, Krishanu ^{[2
,3
]}

Roy, Partha ^{[1
]}

Nandi, Mahasweta ^{[2
,3
]}

Bhaumik, Asim ^{[2
,3
]}

Banerjee, Pradyot ^{[1
]}

机构：

[1] Indian Assoc Cultivat Sci, Dept Inorgan Chem, Kolkata 700032, India

[2] Indian Assoc Cultivat Sci, Dept Mat Sci, Kolkata 700032, India

[3] Indian Assoc Cultivat Sci, Ctr Adv Mat, Kolkata 700032, India

来源：

TETRAHEDRON | 2008年 / 64卷 / 14期

关键词：

chiral Schiff-base; alpha-hydroxycarboxylic acid; enantioselective; fluorescent sensor;

D O I：

10.1016/j.tet.2008.01.099

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A chiral Schiff-base compound, 4-methyl-2,6-bis-[(2-hydroxy-1-phenylethylimino)methyl]phenol, is found to act as highly enantioselective fluorescent agent for alpha-hydroxycarboxylic acid, e.g., mandelic acid. It is observed that, within a certain concentration range, one enantiomer of the chiral acid can increase the fluorescence intensity of the Schiff-base compound 122-fold while the other enantiomer enhances the intensity only 42-fold. Such highly enantioselective responses towards the chiral acid make the unusual Schiff-base compound attractive as a fluorescent sensor for determining the enantiomeric composition of alpha-hydroxycarboxylic acids. (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：3153 / 3159

页数：7

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