FIELD: chemistry.
SUBSTANCE: invention relates to the method of producing 1-phenyl-3-(4H-1,2,4-triazol-4-yl) urea of the formula I 
, which is carried out by reacting (4H-1,2,4-triazol-4-yl) amine and 1,3-diphenylurea in a molar ratio of 3:1 to 4:1 at a temperature of 170-182°C under vacuum with distillation of aniline.
EFFECT: new method for preparing a compound of formula I without the use of toxic starting materials and solvents is developed.
1 dwg, 4 ex
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