Synthesis of 5-(substituted phenylazo)-6-hydroxy-4-methyl-3-cyano-2-pyridones from ethyl 3-oxo-2-(substituted phenylazo)butanoates

被引：20
|
作者：
Dostanic, Jasmina [2 ]
Valentic, Natasa [1 ]
Uscumlic, Gordana [1 ]
Mijin, Dusan [1 ]
机构：
[1] Univ Belgrade, Fac Technol & Met, Belgrade 11120, Serbia
[2] Univ Belgrade, Inst Chem Technol & Met, Dept Catalysis & Chem Engn, Belgrade 11000, Serbia
来源：
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY | 2011年 / 76卷 / 04期
关键词：
azo compounds; cyclocondensation reaction; cyanoacetamide; pyridone; PYRIDONE AZO DYES; ABSORPTION-SPECTRA; SUBSTITUENT;
D O I：
10.2298/JSC100618044D
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new procedure for the synthesis of known azo pyridone dyes is presented. A series of 5-(substituted arylazo)-6-hydroxy-4-methyl-3-cyano-2-pyridones were prepared from ethyl 3-oxo-2-(substituted phenylazo)butanoates and cyanoacetamide in acetone using potassium hydroxide as a catalyst by simple refluxing the reaction mixture. The structure of these dyes was confirmed by FT-IR, NMR and UV-Vis spectroscopy.
引用
收藏
页码：499 / 504
页数：6
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