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Salt-free Synthesis of Azo and Hydrazone Dyes Under CO2 Pressure

โœ Scribed by Dr. Roderich Raue; Dr. Alfred Brack; Dr. Karl H. Lange

Book ID
101553353
Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
262 KB
Volume
30
Category
Article
ISSN
0044-8249

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## Abstract The oneโ€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