The reaction of Methyl -4-6-Dihydroxy-2-Oxo-1-Phenyl- Pyridine-3-Carboxylate (3) with different diazotized substituted aromatic ammines (2) yielded compound, methyl-4,6-dihydroxy-2-oxo-1-phenyl-5-aryl azo pyridine-3-carboxylate (4) showing visible light adsorption between l max 590-605 nm., characteristic of azo dyes. Aqueous solution of (4) having a non ionic dispersing agent and a dye carrier at pH 5-6 and temperature of 135oC and 75oC when applied to polyester and acetate fiber furnished orange to yellow color.
R PARVEEN ,A HUSSAIN ,S PARVEEN ,K M KHAN ,S FAIZI ,A ALEEM ,
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