Synthesis of 3(5)-Substituted-4-(N-methylanilino)-5(3)-aminopyrazoles by Reaction of β-Hydroxy-α-cyanoenamines with Hydrazines

Article abstract of DOI:10.1055/s-1985-31354

Aminopyrazoles 3-5 are prepared by the reaction of β-hydroxy-α-cyanoenamines 2 with hydrazine hydrate and monomethylhydrazine.