FIELD: organic chemistry, more particularly preparation of diethyl phthalate. SUBSTANCE: method comprises reacting phthalic anhydride and ethyl alcohol in film mode in the presence of solid aluminium γ oxide catalyst impregnated with sulfuric anhydride in amount of at least 15% at 120-130 C. EFFECT: simplified process. 3 cl, 1 dwg, 1 ex, 1 tbl
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