114568-99-9

Upstream product

• 105-39-5 chloroacetic acid ethyl ester 
• 114568-69-3 4-(5-Methyl-2-phenyl-4-p-tolylazo-2H-pyrazol-3-ylamino)-phenol 
• 123-30-8 4-amino-phenol 
• 117257-85-9 5-chloro-3-methyl-1-phenyl-4-p-tolylazo-1H-pyrazole 

Relevant academic research and scientific papers

Synthesis of 4-Arylazo-1-phenyl-3-methyl-5-arylaminopyrazole Derivatives and their Application as Disperse Dyes. Part-III

Nucleophilic substitution reaction of 1-phenyl-3-methyl-4-arylazo-5-chloropyrazoles (1) with ethyl p-aminobenzoate and/or p-aminophenol resulted in the formation of 5-arylaminopyrazoles 2a - c and 8a - l.Interaction of 2a with hydrazine hydrate gave 3, wh