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Synthesis of ethyl-4,6-dihydroxy-2-oxo-1-phenyl-5- Arylazopyridine-3- carboxylate,Part (IV): New disperse dyes
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نویسنده
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khan k.m. ,mahwish h. e. j. research institute of chemistry ,jabbar a. ,parveen s. ,parveen r. ,haider s.m.
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منبع
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journal of the chemical society of pakistan - 2010 - دوره : 32 - شماره : 4 - صفحه:505 -510
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چکیده
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The reaction of ethyl-4,6-dihydroxy-2-oxo-1-phenyl pyridine-3-carboxylate (3) with different diazotized substituted aromatic amine (2) yielded compound ethyl-4,6-dihydroxy-2-oxo-1phenyl-5-arylazopyridine-3-carboxylate (4) showing visible light absorption between λmax 550-600 nm which shows the characteristic of azo dyes. aqueous solution of (4) with non-ionic dispersing agent a dye carrier at ph 5-6 at the temperature 130 °c when applied to polyester fiber formed yellow to orange color.
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آدرس
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h. e. j. research institute of chemistry,international center for chemical and biological sciences,university of karachi, Pakistan, international center for chemical and biological sciences,university of karachi, Pakistan, h. e. j. research institute of chemistry,international center for chemical and biological sciences,university of karachi, Pakistan, pcsir laboratories complex,shahrah-e-dr. salimuzzaman siddiqui, Pakistan, h. e. j. research institute of chemistry,international center for chemical and biological sciences,university of karachi, Pakistan, h. e. j. research institute of chemistry,international center for chemical and biological sciences,university of karachi, Pakistan
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Authors
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