Download PDF
Synthesis 1985; 1985(8): 794-796
DOI: 10.1055/s-1985-31354
communication
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

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

Kazumasa Takahashi* , Kenichiro Shibasaki, Katsuyuki Ogura, Hirotada Iida
  • *Department of Synthetic Chemistry, Faculty or Engineering, Chiba University, Yayoi-cho, Chiba 260, Japan
Further Information

Publication History

Publication Date:
17 September 2002 (online)

  PDF Download  Permissions and Reprints All articles of this category

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