Highly enantioselective fluorescent sensor for chiral recognition of amino acid derivatives |
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| Authors: | Xuan He Xin Cui Maosi Li Lili Lin Xiaohua Liu Xiaoming Feng |
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| Affiliation: | aKey Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China |
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| Abstract: | A highly enantioselective fluorescent sensor, containing benzylaminomethyl groups at 3,3′-position of 1,1′-bi-2-naphthol (BINOL), has been used to conduct the chiral recognition of α-amino acid derivatives. It is observed that one enantiomer of N-Boc-proline can increase the fluorescence intensity of the binaphthyl fluorophores by over 57-fold, while the other enantiomer can cause only sixfold fluorescence enhancement. Such unusually highly enantioselective response demonstrates that this sensor is potentially useful in the enantioselective recognition of amino acid derivatives. |
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| Keywords: | Enantioselective Fluorescent Sensors Amino acid derivatives Binaphthyl derivatives |
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