New substituted 1,2,3-triazoles for ratiometric recognition to Fe3+ions

被引：3

作者：

Selivanova, Natalia ^{[1
]}

Shulaeva, Marina ^{[2
]}

Semenov, Vyacheslav ^{[2
]}

Galyametdinov, Yuriy ^{[1
]}

机构：

[1] Kazan Natl Res Technol Univ, Dept Phys & Colloid Chem, Kazan 420015, Tatarstan, Russia

[2] Russian Acad Sci, FRC Kazan Sci Ctr, Arbuzov Inst Organ & Phys Chem, Arbuzov Str 8, Kazan 420088, Russia

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2024年 / 305卷

关键词：

Substituted; 1; Fe 3+recognition; Colorimetric sensor; 2,3-triazole;

D O I：

10.1016/j.saa.2023.123558

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Two novel click derived sensory systems for different derivatives connected via a triazole linkage have been developed as a component of a chemosensor with sensitive towards Fe3+ ions. The 1-octyl-4-carboxyl-1,2,3-tri-azole (TR1) system demonstrated sensitivity to calcium ion. The 1,3-bis(4-hydroxycarbamoyl-1,2,3-triazol-1-yl) xylylene (TR2) system was shown to possess a preferential detection capability as a colorimetric probe for Fe3+ ions by exhibiting an obvious pH-dependent color change from colorless to pink. Complexation of the ligands with Fe3+ ions was studied. The 1:1 stoichiometry and bonding sites of TR1-Fe3+, and TR2-Fe3+ complexes were elucidated by analyzing the Job plot. The association constants of 5.35 x 105 M1 for TR1- Fe3+ and 3.58 x 104 M1 for TR2-Fe3+ and detection limits 1.68 x 10-8 and 2.52 x 10-7 were determined from standard deviation and linear fittings.

引用

页数：7

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