A Fluorescent Probe for Al3+ Based on Calix[4]arene Containing Salicylaldehyde-Derived Schiff Base

被引：3

作者：

Wang, Zuquan ^{[1
]}

Li, Yunjian ^{[1
]}

Shi, Jing ^{[1
]}

Sun, Xiaoqiang ^{[1
]}

Xiao, Tangxin ^{[1
]}

Yang, Ke ^{[1
]}

Li, Zheng-Yi ^{[1
]}

机构：

[1] Changzhou Univ, Sch Petrochem Engn, Jiangsu Key Lab Adv Catalyt Mat & Technol, Changzhou 213164, Jiangsu, Peoples R China

来源：

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2023年

关键词：

aluminum ion; calix[4]arene; fluorescent probe; Schiff-base; SELECTIVE DETECTION; RECOGNITION; FOOD; TOXICITY; SCAFFOLD; SENSOR; WATER; FE3+; CR3+; CO;

D O I：

10.1002/ejoc.202300639

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Two novel fluorescent probes L1 and L2 for recognizing Al3+ have been prepared by cooperating salicylaldehyde-derived Schiff base groups onto the upper rim of the calix[4]arene. Of these probes, L2 is the most effective at recognizing Al3+, displaying a highly selective fluorescence "on" response with an emission wavelength at 478 nm and a Stokes shift of 88 nm. Additionally, probe L2 can form a 1: 1 coordination complex with Al3+ with a binding constant of 2.6x10(10) M-1. Furthermore, its fluorescence intensity exhibits a good linear relationship with Al3+ concentration within the range of 2.0x10(-5) M to 1.4x10(-4) M, and the probe has a low detection limit of 4.36x10(-7) M.

引用

页数：6

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