Microwave irradiation synthesis of novel indole triazole Schiff base fluorescent probe for Al3+ ion

被引：30

作者：

Shi, Zhichuan ^{[1
]}

Zhao, Zhigang ^{[1
]}

机构：

[1] Southwest Minzu Univ, Coll Chem & Environm Protect Engn, Chengdu 610041, Sichuan, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2019年 / 498卷

关键词：

Fluorescent probe; Microwave irradiation; Triazole; Schiff base; Aluminum ion; Chemo-selectivity; ALUMINUM; SENSOR; CHEMOSENSOR; DERIVATIVES; DISEASE;

D O I：

10.1016/j.ica.2019.119135

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

An efficient triazole Schiff base fluorescent Al3+-probe 4-((2-hydroxybenzylidene) amino)-5-(1H-indol-3-yl)-4H-1,2,4-triazole-3-thiol (H2L) was designed and synthesized under microwave irradiation. The structure of fluorescent probe H2L was characterized by spectral data and elemental analysis. The probe H2L displays excellent chemo-selectivity towards Al3+ over other metal ions, which can directly inspect with the naked eye under UV lamp. The limit of detection of the probe H2L for Al3+ could reach 29.9 nM. The binding stoichiometry between H2L and Al3+ was determined from the Job's plot to be 1:1, the association constant (Ka) of 9.31 x 10(4)M(-1), and further verified with fluorescence titration, ESI-MS and H-1 NMR study.

引用

页数：5

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