FIELD: organic chemistry. SUBSTANCE: products - derivatives of benzooxazolone of the formula 1 where Alk - Cn-divalent alkyl radical; n = 0-5; R1-C1-C3-alkyl, C1-C3-alkoxy, halogen; R is taken from the group involving: a) group of the formula 2 where R2 and R3 - H or C1-C4-alkyl; X - methylene, N, O, S or SO; dotted line - possibility for additional link; b) group of the formula 3 or 4 where A and B - oxygen or sulfur; c) group of the formula 5, 6, 7, 8 or 9; d) group of the formula 10, 11, 12, 13 or 14 where R4 and R5 - H or C1-C4-alkyl; broken line - possibility for the presence of endo- or exo-7-oxabicyclo-[2,2,1]-heptane-1-yl; e) group of the formula 15: CH3-(CH2)m-Y where m = 1, 2 or 3; Y - O, S or SO. Synthesized compounds are used in medicine. EFFECT: improved method of synthesis. 4 tbl
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