Syntheses of 3(5)-Substituted-4-(<i>N</i>-methylanilino)-5(3)-aminopyrazoles by Reaction of β-Hydroxy-α-cyanoenamines with Hydrazines
作者:Kazumasa Takahashi、Kenichiro Shibasaki、Katsuyuki Ogura、Hirotada Iida
DOI:10.1055/s-1985-31354
日期:——
Aminopyrazoles 3-5 are prepared by the reaction of β-hydroxy-α-cyanoenamines 2 with hydrazine hydrate and monomethylhydrazine.
氨基吡唑 3-5 是由δ-羟基-δ-氰胺 2 与水合肼和一甲基肼反应制备而成。