SYNTHESIS AND ABSORPTION ABILITIES OF PYRAZOLO[5,1-<i>c</i>][1,2,4]TRIAZINE-BASED DISPERSE DYES

Authors

  • F. Karcı Pamukkale University
  • F. Karcı Pamukkale University, Higher Vocational School of Denizli

DOI:

https://doi.org/10.1007/465

Keywords:

ethyl cyanoacetate, pyrazole, diazo-coupling reaction, intramolecular cyclization, solvatochromism

Abstract

A series of thirteen novel pyrazolo[5,1-c][1,2,4]triazine-based disperse dyes were synthesized by heating ethyl pyrazolylhydrazonocyanoacetate in glacial acetic acid. Solvent and acid-base influences on the wavelength of maximum absorption have been studied.

Also published in Chemistry of Heterocyclic Compounds, 2013, 49 (3), pp 457-465

http://link.springer.com/article/10.1007/s10593-013-1268-3

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Published

2013-04-05

Issue

No. 3 (2013)

Section

Original Papers