FIELD: organic chemistry. SUBSTANCE: product: derivatives of urea of the formula (I): 
where: n = 1, 2; O - oxygen; X, Y - oxygen, sulfur; A - C4 - C7-aliphatic hydrocarbon chain, cyclopentyl, cyclohexyl, pyridyl, phenyl that can be substituted with C1 - C4-alkyl, di-C1 - C4-dialkylamine, halogen or methylenedihydroxy-group; or A - phenyl substituted with two adjacent substituents forming methylenedihydroxy-group possibly substituted with 1-3 C1 - C4-alkyls; or A - phenyl substituted with imidazolyl that can be substituted with C1 - C6-alkyl; C1 - C4 and R1 - R2-alkyl or they together mean C1 - C6-alkylene chain possibly substituted with 1-2 C2 - C4-alkyls; B - phenyl substituted with 1-2 substituents taken from the group involving halogen, C1 - C4-alkyl as separate isomers or their mixture, or their pharmaceutically acceptable salts. Synthesis: interaction of reagent 1: C1 - C4 and reagent 2: B - N=C=Q followed by conversion to salt, if necessary. Pharmaceutical composition inhibiting activity of enzyme CoA: cholesterol acyltransferase and containing carrier or vehicle and compound of the formula (I) 
taken at effective dose. Synthesized compounds were used in pharmaceutical industry. EFFECT: improved method of synthesis. 7 cl, 3 tbl
