Coumarin-based chiral fluorescence sensor incorporating a thiourea unit for highly enantioselective recognition of N-Boc-protected proline |
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| Authors: | Xing Zhitao Fu Yong Zhou Jiecong Zhu Chengjian Cheng Yixiang |
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| Affiliation: | State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China. |
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| Abstract: | New coumarin-based chiral thiourea sensor 1 was found to be an enantioselective fluorescent chemosensor for N-Boc-protected proline. The chiral sensor shows lower background fluorescence, and higher fluorescence enhancement with 18 nm blue shifts. Job plot analysis result indicates that sensor 1 can form a 1 : 1 stoichiometric complex and it could be used as a fluorescence sensor for the determination of enantiomer composition of N-Boc-protected proline. |
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