METHOD OF SYNTHESIS OF IMIDAZO-(4,5-B)-QUINOLINYLHYDROXYALKANOIC ACID AMIDES OR THEIR PHARMACEUTICALLY USED SALTS Russian patent published in 1995 - IPC

FIELD: organic chemistry. SUBSTANCE: products: amides of imidazo-(4,5-b)-quinolinylhydroxyalkanoic acids of the formula (I) where R₁, R₂, R₃ and n have corresponding values were synthesized by interaction of carboxylic acid of the formula (II) where R₁ and n have corresponding values with amine of the formula (III) where R₂, R₃ have corresponding values followed by isolation of the end product in the free form or in the form of pharmaceutically acceptable salt. EFFECT: improved method of synthesis. 1 tbl