Syntheses of novel disperse dyes based on arylazophenols: Synthesis, characterizations and applications

Author:

Ahmed El-Apasery Morsy,Elsayed Ahmed Abdellatif Mahmoud,Ahmed Yassin Fathy,Morsy Ahmed Sara

Abstract

ABSTRACT. Three compounds, phenyl propenone, p-tolyl propenone, and bromo phenylpropenone derivatives 3a-c were produced in good yields via condensation derivatives of acetophenone with dimethyl formamide dimethyl acetal (DMFDMA) in presence of xylene as a solvent. Compounds 5a-f were produced by coupling the enaminones 3a-c with diazonium chloride 4a or 4b. Compounds 5a-f were reacted with acetone to create novel disperse dyes 9a-f. Mass spectra, (FT-IR), elemental analysis, and 1H-NMR spectra were used to confirm the chemical structure of the new dyes. The new disperse  dyes were used in dyeing polyester fabrics at low temperature, and fabrics with colors ranging from yellowish brown to dark yellowish brown were obtained. Thus, the different fastness properties of these dyed fabrics were studied, which gave excellent results. Finally, the biological activity of these new dyes was studied, which showed that they have biological activity against bacteria and fungi.   KEY WORDS: Azo dye, Carrier, Low temperature dyeing, Arylazophenols, Color fastness Bull. Chem. Soc. Ethiop. 2023, 37(4), 993-1002.                                                              DOI: https://dx.doi.org/10.4314/bcse.v37i4.15                                                      

Publisher

African Journals Online (AJOL)

Subject

General Chemistry

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