Neutral urea-based receptors for phosphates: synthesis and spectrophotometric studies

被引：6
|
作者：
Formica, Mauro [1 ]
Fusi, Vieri [1 ]
Giorgi, Luca [1 ]
Piersanti, Giovanni [2 ]
Retini, Michele [2 ]
Zappia, Giovanni [2 ]
机构：
[1] Univ Urbino Carlo Bo, Chem Sect, Dept Pure & Appl Sci, Pzza Rinascimento 6, I-61029 Urbino, Italy
[2] Univ Urbino Carlo Bo, Dept Biomol Sci, Pzza Rinascimento 6, I-61029 Urbino, Italy
来源：
TETRAHEDRON | 2016年 / 72卷 / 44期
关键词：
BODIPY; Coumarin; Fluorescence; Urea; Phosphates; ANIONS; THIOUREA; FLUORESCENCE; DERIVATIVES; BINDING; BODIPY; TRACKING; DONOR; DYES;
D O I：
10.1016/j.tet.2016.09.042
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A series of five fluorescent ligands (L1-L5) for anions were designed and synthesized. Urea, thiourea, and cyanoguanidine moieties were chosen as the binding groups, while 3,5-bis(trifluoromethyl)phenyl, coumarin, and BODIPY were used as the chromophores. The cyanoguanidines L3-L5 were promptly synthesized from corresponding thioureas using EDCI followed by reaction with cyanamide in the presence of triethylamine. The absorption and emission properties of the ligands L1-L5 were studied in CH3CN; their coordination properties towards phosphate, pyrophosphate, and hydroxide anions, together with binding constants were evaluated. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：7039 / 7049
页数：11
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