FIELD: chemistry.
SUBSTANCE: invention relates to method of obtaining unknown before 3-amino-6-aroylmethyl-5-hydroxy-1,2,4-triazines of general formula: 
, where: R= CH3, CH3O, C2H3O, Cl which lies in the following: aminoguanidine hydrocarbonate is subjected to interaction withcorresponding 5-aryl-2,3-dihydrofurane-2,3-dione or aroylpyruvic acid at boiling in water-free dioxane during 25-30 minutes.
EFFECT: high output of novel compounds, which demonstrate anti-inflammatory and analgesic activity.
2 cl, 2 tbl, 4 ex
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