Reactions with Heterocyclic Amidines, VII: Synthesis of Some New Pyrazolo-1,2,4-triazines, Pyrazolo-1,3,5-triazines and Pyrazolopyrimidines

Article abstract of DOI:10.1007/BF00911090

Diazotised 5-amino-3-methyl-4-phenylpyrazole (1) reacted with active methylene reagents and with β-naphthol to yield the pyrazolo<1,5-c>-1,2,4-triazine derivatives 2a-e and 5.Compound 1 reacted with benzoyl isothiocyanate to yield the corresponding pyrazo