Research Article

Efficient and Convenient Route for the Synthesis of Some New Antipyrinyl Monoazo Dyes: Application to Polyester Fibers and Biological Evaluation

Figure 1

The general fragmentation pattern of 3-amino-3-substituted-2-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)diazenyl]acrylonitrile derivatives 3–10 .
928106.fig.001