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Synthesis, biological activity and dyeing performance of some novel azo disperse dyes incorporating pyrazolo[1,5-a]pyrimidines for dyeing of polyester fabrics

✍ Scribed by Ahmed Z. Sayed; Mahmoud S. Aboul-Fetouh; Hesham S. Nassar


Book ID
113806224
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
452 KB
Volume
1010
Category
Article
ISSN
0022-2860

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Solvent-free one-pot synthesis of some a
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## Abstract The one‐pot synthesis of some azo disperse dyes were carried by heating of aniline, sodium nitrite, potassium hydrogen sulfate with active methylene compounds under focused microwave heating in absence of the solvent. Also, by heating of diazoaminobenzene with active methylene in acetic