Cyclization of bifunctional 3,5-diamino-1H-1,2,4-triazole-1-carboximidamide, 5-amino-3-hydrazinotriazole, and 3,6-diguanidino-1,2,4,5-tetrazine: a one-step route to fluorinated heteropolycycles.

[摘要]：A series of new fluorine-contg. triazolylpyrimidines and pyrimidinoaminotetrazines results from one-pot reactions of 3,5-diamino-1H-1,2,4-triazole-1-carboximidamide hydrochloride and 1,4-diguanidino-2,3,4,5-tetrazine with fluoro-1,3-diketones. Bicyclization of a variety of fluorinated 1,3-diketones gave three fluorinated heterocyclic pyrazolo[1,2,4]triazolo[1,5-a]pyrimidines in moderate yield in a single step.

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