Synthesis of a BINOL‐Based C 3 Symmetric Schiff Base and Its Fluorescence Response to Zn 2+

Synthesis of a BINOL‐Based C 3 Symmetric Schiff Base and Its Fluorescence Response to Zn 2+
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基于 BINOL 的 C 3 对称席夫碱的合成及其对 Zn 2 的荧光响应

DOI:
10.1002/cplu.202300036
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发表时间:
2023
期刊:
影响因子:
3.4
通讯作者:
Pu, Lin
Pu, Lin
中科院分区:
化学3区
文献类型:
--
作者:
Lu, Kai;Guo, Hongyu;Jiang, Yixuan;Yang, Jiaqiao;Yu, Shanshan;Yu, Xiaoqi;Pu, Lin

文献摘要

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合成了一种新的C3对称的1,1 '-联-2-萘酚席夫碱(R,R,R)-6,在21种金属离子中,该化合物对Zn ~(2+)具有高选择性的荧光增强作用。在对Zn ~(2+)的荧光识别中,其灵敏度和选择性均高于其它相关的C_2(1)和C_1 [(R)-9]对称化合物。机理研究表明,探针的选择性荧光增强可以归因于单分子多齿6-配位Zn 2+络合物的形成。
A novelC3symmetric 1,1’‐bi‐2‐naphthol‐based Schiff base (R,R,R)‐6has been synthesized which shows highly selective fluorescence enhancement with Zn2+among 21 metal cations examined. Its sensitivity and selectivity are found to be greater than other relatedC2(1) andC1[(R)‐9] symmetric compounds in the fluorescent recognition of Zn2+. The mechanistic study reveals that the selective fluorescence enhancement of the probe can be attributed to the formation of a unimolecular multidentate 6‐coordinated Zn2+complex.