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http://142.54.178.187:9060/xmlui/handle/123456789/19929| Title: | SYNTHESIS OF ETHYL-4,6-DIHYDROXY-2-OXO-1-PHENYL-5-ARYLAZOPYRIDINE-3-CARBOXYLATE, PART (IV): NEW DISPERSE DYES |
| Authors: | KHAN, KHALID MOHAMMED MAHWISH ABDUL JABBAR SHAHNAZ PARVEEN RASHEEDA PARVEEN SYED MOAZZAM HAIDER |
| Issue Date: | 20-Aug-2010 |
| Publisher: | HEJ Research Institute of Chemistry, University of Karachi, Karachi. |
| Citation: | Khan, K. M., Mahwish, Jabbar, A., Parveen, S., Parveen, R., & Haider, S. M. (2010). Synthesis of ethyl-4, 6-dihydroxy-2-oxo-1-phenyl-5-arylazopyridine-3-carboxylate, part (IV): New disperse dyes. Journal of the Chemical Society of Pakistan, 32(4), 505-510. |
| Abstract: | 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-1-phenyl-5-arylazopyridine-3-carboxylate (4) showing visible light absorption between lmax 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 ºC when applied to polyester fiber formed yellow to orange color. |
| URI: | http://142.54.178.187:9060/xmlui/handle/123456789/19929 |
| ISSN: | 0253-5106 |
| Appears in Collections: | Issue 04 |
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