Convenient Synthesis of 5-Substituted 2-Amino[1,2,4]triazolo-[1,5-alpha][1,3,5] triazin-7(6H)-ones from N-Triazolide Imidates and 1,2,4-Triazole-3,5-diamine

[摘要]：A convenient and efficient synthesis of previously unreported N-triazolide imidates and their reaction with 1,2,4-triazole3,5-diamine to give regioselectively 5-substituted 2-amino[1,2,4] triazolo[1,5-a][1,3,5] triazin-7(6H)-ones is described. The structure of the reported bicyclic compounds has been unambiguously proven by X-ray crystallography.

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