61457-29-2Relevant academic research and scientific papers
A simple synthesis of 1-substituted 5-aminopyrazoles and pyrazolo[1,5-a]-s-triazine derivative
Yamada, Yoichi,Yasuda, Heinosuke,Yoshizawa, Kazue
, p. 2095 - 2102 (1998)
Dialkyl 5-amino-1-carbamoylpyrazole-3,4-dicarboxylates (3) and the 1-aryl derivatives (5) are synthesized directly by the reaction of semicarbazide (2) or arylhydrazines (4) with dialkyl (E)-2,3-dicyano-butendioates (1) in the presence of organic salts, s
