A novel and resumable Schiff-base fluorescent chemosensor for Zn(II)

被引：43
|
作者：
Yan, Jun [1 ]
Fan, Long [1 ]
Qin, Jing-can [1 ]
Li, Chao-rui [1 ]
Yang, Zheng-yin [1 ]
机构：
[1] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
来源：
TETRAHEDRON LETTERS | 2016年 / 57卷 / 26期
基金：
中国国家自然科学基金;
关键词：
Fluorescent sensor; Reversibility; PET; C=N isomerization; Zn2+; HEALTH-RISK ASSESSMENT; HEAVY-METALS; ZN2+; PROBE; AL3+; DESIGN; SENSOR; ZINC; CONTAMINATION; CADMIUM;
D O I：
10.1016/j.tetlet.2016.05.079
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new resumable Schiff -base fluorescent probe 7-methoxychromone-3-carbaldehyde-(3'-hydroxy-2'-naphthaleneformyl) hydrazone (L) was designed and synthesized for selective recognition Zn2+. With the titration and the ESI-MS spectra data, we reached the conclusion that the binding ratio between L and Zn2+ was determined to be 1. The sensor showed a strong fluorescence enhancement in ethanol system of Zn2+ (excitation 430 nm and emission 498 nm). And the enhancement may be due to C=N isomerization and Photoinduced Electron Transfer (PET). (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2910 / 2914
页数：5
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