5-Amino-2-chlorobenzaldehyde?(1 Moore) ?and 2-Hydroxy-3-methylbenzoic acid ?(2 Moore)?condensation, its product diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, again will azo compound with Nitrosylsulfuric acid in oxidation.
Properties and Applications
yellow green. Soluble in water for golden yellow, soluble in ethanol for olive yellow brown. In concentrated sulfuric acid for red orange, dilution after light golden brown.
