Journal of the Serbian Chemical Society p. 499 - 504 (2011)
Update date:2022-08-04
Topics:
Dostanic, Jasmina
Valentic, Natasa
Uscumlic, Gordana
Mijin, Dusan
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. Copyright 2011 (CC) SCS.
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(2011)Doi:10.1002/ejic.201001263
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(1990)Doi:10.1016/j.tetlet.2012.09.045
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(2011)