

Pyridazine and its related compounds: Part 33. Synthesis of some disperse dyes derived from 3-hydrazinyl-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazine and their color assessment on polyester fabric
Ali AbdelHamid Deeb (1,*)



(1) Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, 44519, Egypt
(2) Printing, Dyeing and Finishing Department, Faculty of Applied Arts, Helwan University, Giza, 12311, Egypt
(3) Medicinal and Aromatic Plants Department, Desert Research Center, Cairo, 11753, Egypt
(*) Corresponding Author
Received: 06 Sep 2014 | Accepted: 18 Oct 2014 | Published: 31 Mar 2015 | Issue Date: March 2015
Abstract
Active methylene compound such as ethyl acetoacetate was coupled with diazotized arylamines to give ethyl arylazoacetoacetates. When the obtained compounds refluxed with 3-hydrazinyl-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazine in the presence of ethanol yielded 1-(4, 5-Diphenyl-1H-pyrazolo[3, 4-c]pyridazin-3-yl)-3-methyl-4-(2-phenylhydrazono)-1H-pyrazol-5(4H)-one derivatives. The dyes were applied to polyester fabric, and their absorption spectral characteristics, fastness properties and color assessment measured.
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European Journal of Chemistry
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DOI: 10.5155/eurjchem.6.1.57-62.1145
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Citations
[1]. Ali Deeb, Ahmed A. M. Abdelgawad
Utility of 3-amino-1H-pyrazolo[3,4-c]pyridazine in heterocyclic synthesis
Chemistry of Heterocyclic Compounds 51(9), 785, 2015
DOI: 10.1007/s10593-015-1776-4

[2]. Ali Deeb, Ahmed A. M. Abdelgawad
Heterocyclization of 5-aminothieno[2,3-c]pyridazine-6-carbonitriles
Phosphorus, Sulfur, and Silicon and the Related Elements 193(10), 637, 2018
DOI: 10.1080/10426507.2018.1487438

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