The synthesis, antimicrobial activity and absorption characteristics of some novel heterocyclic disazo dyes

KARCI F., Sener N., YAMAÇ M., ŞENER İ., DEMİRÇALI A.

DYES AND PIGMENTS, cilt.80, sa.1, ss.47-52, 2009 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 80 Sayı: 1
  • Basım Tarihi: 2009
  • Doi Numarası: 10.1016/j.dyepig.2008.05.001
  • Dergi Adı: DYES AND PIGMENTS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.47-52
  • Anahtar Kelimeler: 3-Aminocrotononitrile, Malononitrile, Pyrazole, Disazo dyes, Antimicrobial activity, Solvatochromism, MONOAZO DYES, SOLVATOCHROMIC PROPERTIES, AROMATIC SYSTEMS, FACILE SYNTHESES, DERIVATIVES, AZO
  • Eskişehir Osmangazi Üniversitesi Adresli: Evet

Özet

Aniline derivatives were diazotized and coupled with 3-aminocrotononitrile to give the corresponding 2-arylhydrazono-3-ketiminobutyronitriles. Cyclization of these arylhydrazono derivatives with hydrazine monohydrate afforded 5-amino-4-arylazo-3-methyl-1H-pyrazoles which were subsequently diazotised and coupled with malononitrile to yield a series of pyrazolylhydrazonomalononitriles. These compounds were then reacted with hydrazine monohydrate to provide 10, novel, heterocyclic disazo dyes, which were characterized by elemental analysis and spectral methods. The antimicrobial activity and absorption characteristics of the dyes were also examined in detail. (C) 2008 Elsevier Ltd. All rights reserved.