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Synthesis, spectral features and biological activity of some novel hetarylazo dyes derived from 6-amino-1,3-dimethyluracil

✍ Scribed by Hessamoddin Yousefi; Asieh Yahyazadeh; Mohammad Reza Yazdanbakhsh; Mehdi Rassa; Enayat O’llah Moradi-e-Rufchahi


Book ID
113806296
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
465 KB
Volume
1015
Category
Article
ISSN
0022-2860

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In this study 5-amino-4-arylazo-3-methyl-1H-pyrazoles (1a-1m) were diazotised and coupled with 3amino-5-hydroxy-1-phenylpyrazole to give disperse disazo dyes (2a-2m). The newly synthesized 13 disperse disazo dyes were characterized by elemental analysis and spectral methods. The solvatochromic behav