FIELD: organic chemistry. SUBSTANCE: product: pyrimidine nucleosides of the formula (I) 
where R1 - H, CH3,; R2 - benzoyl, possibly substituted with Hal or alkoxy-group. Reagent 1: R2 unsubstituted nucleoside. Reagent 2: benzoyl chloride, possibly substituted. Reaction conditions: at the room temperature. Compounds show antiviral activity (on the herpes group). EFFECT: improved method of synthesis. 1 tbl
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