113372-24-0Relevant articles and documents
Oxamic Acid Derivatives in Heterocyclic Synthesis: Preparation of 1,2,4-Triazolopyrazine Derivatives
Molina, P.,Vilaplana, Ma. J.,Andreu, P. L.,Moller, J.
, p. 1281 - 1284 (2007/10/02)
N-Aryl-N-(α-phenylphenacyl)oxamoyl chlorides react with N3-arylsubstituted amidrazones to give functionalized 1,2,4-triazoles which undergo ring-closure by the action of thionyl chloride to give 1,2,4-triazolo-pyrazinium chlorides in exellent yields.