FIELD: organic chemistry, pharmacy. SUBSTANCE: invention relates to derivatives of 5-amino-8-methyl-7- -pyrrolidinylquinoline-3-carboxylic acid of the formula (I) where R1 - H; R2 - H, lower alkyl, halogenated lower alkanoyl or a carboxylic acid ester residue; R3-R6 - hydrogen atom or lower alkyl or two of R4,R5,R6 can form in common a group -(CH2)n where n = 2, their stereoisomers or their pharmacologically acceptable salts which show an excellent antibacterial activity. EFFECT: improved method of synthesis, strong antibacterial activity. 17 cl, 7 tbl, 37 ex
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Author |
Number |
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