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

Sinteza 5-(supstituisanih fenilazo)-6-hidroksi-4-metil-3-cijano-2-piridona iz etil-3-okso-2-(supstituisanih fenilazo)butanoata

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2011
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Authors
Dostanić, Jasmina
Valentić, Nataša V.
Ušćumlić, Gordana
Mijin, Dušan
Article (Published version)
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Abstract
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.
Novi postupak za sintezu poznatih azo-piridonskih boja je opisan u radu. Serija 5-(supstituisanih fenilazo)-6-hidroksi-4-metil-3-cijano-2-piridona je pripremljena iz etil-3-okso-2-(supstituisanih fenilazo)butanoata i cijanoacetamida u acetonu korišćenjem kalijum-hidroksida kao katalizatora uz zagrevanje.
Keywords:
azo compounds / cyclocondensation reaction / cyanoacetamide / pyridone
Source:
Journal of the Serbian Chemical Society, 2011, 76, 4, 499-504
Publisher:
  • Serbian Chemical Society
Projects:
  • Study of the Synthesis, Structure and Activity of Natural and Synthetic Organic Compounds (RS-172013)
  • Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes (RS-45001)

DOI: 10.2298/JSC100618044D

ISSN: 0352-5139

WoS: 000290499600003

Scopus: 2-s2.0-79955023453
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/886
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