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

Jasmina Dostanić | Zendy; Nataša Valentić | Zendy; Gordana Uščumlić | Zendy; Dušan Mijin | Zendy

Open Access

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

Author(s) -

Jasmina Dostanić,

Nataša Valentić,

Gordana Uščumlić,

Dušan Mijin

Publication year - 2011

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc100618044d

Subject(s) - potassium hydroxide , cyanoacetamide , chemistry , acetone , catalysis , potassium , hydroxide , spectroscopy , medicinal chemistry , organic chemistry , physics , quantum mechanics

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 phenyldiazenyl)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.

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