High Sensitivity and Selectivity of Aminoantipyrine Schiff Base for the Recognition of Fe2+

被引：3
作者：
Chen Sheng-Tian [1 ,2 ]
Zhang Yu [2 ]
Zhao Jian-Ying [2 ]
Ma Kui-Rong [2 ]
Li Rong-Qing [2 ]
Tang Guo-Dong [2 ]
机构：
[1] Ningxia Univ, Sch Chem & Chem Engn, Yinchuan 750021, Peoples R China
[2] Huaiyin Normal Univ, Sch Chem & Chem Engn, Huaian Key Lab Photoelect Convers & Energy Storag, Huaian 223300, Jiangsu, Peoples R China
来源：
CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2019年 / 35卷 / 04期
基金：
美国国家科学基金会;
关键词：
Schiff base receptor; chemosensor for Fe2+; spectral characterization; COLORIMETRIC DETECTION; FLUORESCENT SENSOR; ELECTRON-TRANSFER; IRON; FERROPTOSIS; PROBES; FORM;
D O I：
10.11862/CJIC.2019.091
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
An aminoantipyrine based chemosensor, (E)-1,5-dimethy1-44(2-(4-methylpyridin-2-yl)pyridin-4-y1) methyleneamino)-2-phenyl-1,2-dihydropyrazol-3-one(L), derived from 4-aminoantipyrine and 2-(4-methylpyridin-2yl) isonicotinaldehyde, was synthesized and the optical and metal sensing properties were investigated. The chemosensor L showed a selective colorimetric sensing ability for Fe' by changing colors from pale yellow to deep red in water-ethanol (9:1, V/V) medium, which facilitates the 'naked-eye' recognition of Fe' from other examined metal ions. The complex stoichiometry of Fe' to L (1:3, [FeL3](2+)) was obtained by Job's method. The association constant was determined to be 3.70x10(21) L-3.mol(-3). The present results indicate that the chemosensor L could be used as a selective, sensitive colorimetric sensor for Fe'. CCDC: 1817471, L.
引用
收藏
页码：737 / 744
页数：8
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