56563-28-1

Upstream product

• 75239-08-6 ethyl 3-phenylhydrazinomethylene-2,4-dioxovalerate 
• 100-63-0 phenylhydrazine 
• 57397-70-3 ethyl 3-(ethoxymethylene)-2,4-dioxovalerate 
• 615-79-2 ethyl 2,4-diketopentanoate 
• 112381-22-3 3-[1-Dimethylamino-meth-(Z)-ylidene]-2,4-dioxo-pentanoic acid ethyl ester 

Downstream Products

• 56563-33-8 6,7-dihydro-4-methyl-1-phenylpyrazolo<3,4-d>pyridazin-7-one 
• 75239-10-0 7-ethoxy-4-methyl-1-phenylpyrazolo<3,4-d>pyridazin-7-one 
• 56563-34-9 6,7-dihydro-1,6-diphenyl-4-methylpyrazolo<3,4-d>pyridazin-7-one 

Relevant academic research and scientific papers

Reaction of Ethyl 3-Ethoxymethylene-2,4-dioxovalerate with Monosubstituted Hydrazines

Reactions of ethyl 3-ethoxymethylene-2,4-dioxovalerate (1) with phenyl- and methylhydrazines are described.While the reaction of 1 with phenylhydrazine gave a mixture of ethyl 4-acetyl-1-phenylpyrazole-5-carboxylate (4) and ethyl 5-methyl-1-phenylpyrazole