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Enantioselective Fluorescent Sensors for N-Boc-Protected Amino Acid Anions Based on BINOL

✍ Scribed by Kuoxi Xu; Zhanwei Bu; Kejing Huang; Jin Zhao; Chaojie Wang

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
193 KB
Volume
28
Category
Article
ISSN
0256-7660

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✦ Synopsis

Abstract

The four novel derivatives of BINOL have been prepared and the structures of these compounds characterized by IR, MS, ^1^H and ^13^C NMR spectroscopy and elemental analysis. The enantioselective recognition of these receptors has been studied by fluorescence titration and ^1^H NMR spectroscopy. The receptors exhibited different chiral recognition abilities towards N‐Boc‐protected amino acid anions and formed 1:1 complexes between host and guest. Receptor s exhibit excellent enantioselective fluorescent recognition ability towards the amino acid derivatives.

πŸ“œ SIMILAR VOLUMES

β€˜Naked-eye’ enantioselective chemosensor
β€˜Naked-eye’ enantioselective chemosensors for N-protected amino acid anions bearing thiourea units
✍ Guangyan Qing; Taolei Sun; Zhihong Chen; Xi Yang; Xiaojun Wu; Yongbing He πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 437 KB

## Abstract Four linear thiourea anion receptors (**1**–**3**) derived from simple amino acid have been synthesized and their bonding properties with various chiral N‐protected amino acid anions were examined by using UV–vis and fluorescence titration experiments. Receptors **1a**, **2,** and **3**