Synthesis, Characterization and Photophysical Properties of ESIPT Reactive Triazine Derivatives

被引:0
作者
Kuplich, Marcelo D. [1 ]
Grasel, Fabio S. [1 ]
Campo, Leandra F. [1 ]
Rodembusch, Fabiano S. [1 ]
Stefani, Valter [1 ]
机构
[1] Univ Fed Rio Grande do Sul, Lab Novos Mat Organ, Inst Quim, BR-91501970 Porto Alegre, RS, Brazil
关键词
triazine; benzazoles; cyanuric chloride; ESIPT; reactive dyes; cellulose; INTRAMOLECULAR PROTON-TRANSFER; MICROWAVE-ASSISTED SYNTHESIS; TRANSFER MECHANISM; FLUORESCENCE; DYES; 2,4,6-TRICHLORO-1,3,5-TRIAZINE; POLYDENTATE; BEHAVIOR; LIGANDS; SOLVENT;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Four new reactive fluorescent triazine derivatives were obtained from nucleophilic aromatic substitution of cyanuric chloride. The compounds were characterized by infrared spectroscopy (IR), nuclear magnetic resonance (C-13 and H-1 NMR) and high resolution mass spectrometry (HRMS MALDI). UV-Vis and steady-state fluorescence (in solution and in solid state) spectroscopies were also applied to characterize the photophysical behavior. The dyes are fluorescent by an intramolecular proton transfer mechanism (ESIPT) in the blue-orange region, with a large Stokes shift between 6365-10290 cm(-1). The fluorescent cyanuric derivatives could successfully react with cellulose fibers to give new fluorescent cellulosic materials.
引用
收藏
页码:25 / U352
页数:15
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