Issue 15, 2011
From the journal:

Organic & Biomolecular Chemistry

Synthesis of alanine-based colorimetric sensors and enantioselective recognition of aspartate and malate anions†

Wei-Chi Lin,a   Yu-Ping Tseng,a   Chi-Yung Lina  and  Yao-Pin Yen*a  

* Corresponding authors

a Department of Applied Chemistry, Providence University, 200 Chungchi Road, Sha-Lu, Taichung Hsien 433, Taiwan
E-mail: ypyen@pu.edu.tw
Fax: +886-4-26328001 ext. 15218
Tel: +886-4-26327554

Abstract

Two chiral colorimetric sensors (1,2) were synthesized and characterized by spectroscopic techniques and their enantioselective recognition of chiral dicarboxylic anions (D/L-aspartate and D/L-malate) was examined by UV-vis and 1H NMR spectroscopy. Interaction of the receptors 1 and 2 with the enantiomers of aspartate or malate caused different color changes, and they act as optical chemosensors for the recognition of D-aspartate vs.L-aspartate and D-malate vs.L-malate. Receptor 1 exhibits high enantioselective binding for aspartate anions [KA(D)/KA(L) = 12.15].

Graphical abstract: Synthesis of alanine-based colorimetric sensors and enantioselective recognition of aspartate and malate anions

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Article information

DOI
https://doi.org/10.1039/C1OB05135K
Article type
Paper
Submitted
25 Jan 2011
Accepted
10 May 2011
First published
10 May 2011

Org. Biomol. Chem., 2011,9, 5547-5553

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Synthesis of alanine-based colorimetric sensors and enantioselective recognition of aspartate and malate anions

W. Lin, Y. Tseng, C. Lin and Y. Yen, Org. Biomol. Chem., 2011, 9, 5547 DOI: 10.1039/C1OB05135K

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