FIELD: chemistry of heterocyclic compounds. SUBSTANCE: product: substituted phthalimides or heterocyclic phthalimides of the general formula I. Reaction conditions: synthesis is carried out by addition reaction of the formula II with compound of the formula III, and compound of the formula IV is synthesized. The latter then is hydrolyzed or treated with amine, or alkaline metal alcoholate, or esterified, or halogenated, or ring is disclosed in compound of the formula IV. EFFECT: improved method of synthesis.
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