Synthesis, Characterization, Absorption and Fastness Properties of Novel Monoazo Dyes Derived from 1-Phenyl-3-amino-4-(2-thiazolilazo)pyrazol-5-one

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Erol F.

JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, cilt.31, sa.9, ss.1815-1824, 2020 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 31 Sayı: 9
  • Basım Tarihi: 2020
  • Doi Numarası: 10.21577/0103-5053.20200068
  • Dergi Adı: JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Analytical Abstracts, CAB Abstracts, Chemical Abstracts Core, Veterinary Science Database, Directory of Open Access Journals
  • Sayfa Sayıları: ss.1815-1824
  • Gazi Üniversitesi Adresli: Evet

Özet

Monosubstitute thiazolyl amines were diazotized in acetic acid, coupled to 1-phenyl-3-aminopyrazol-5-one (1a-1c) and acetylated to obtain the 2a-2c dyes. The dyes were characterized by elemental analysis and spectroscopic (Fourier transform infrared (FTIR), nuclear magnetic resonance (NMR), ultraviolet (UV)) methods. The effects on the visible absorption spectra of the substituents present, solvents, pH, concentration and temperature were investigated in detail. Tautomerism of the dyes were investigated by spectroscopic methods. Fastness properties of dyes were studied using the standard method for the assessment of color fastness of textile.