FIELD: chemistry.SUBSTANCE: invention relates to a hydroxy-derived quinoline of the formula (I)or to a pharmaceutically acceptable salt thereof, (I) wherein R1 is hydrogen, (C1-C3)alkyl, (C1)alkylene(C3)cycloalkyl, (C1)haloalkyl or (C1)alkylene(C6)aryl; R2 is hydrogen or halogen; R3 is hydrogen, halogen, (C1)alkyl or (C1)alkoxy; R4 is hydrogen, halogen, (C1)alkyl, (C1)alkoxy or (C1)haloalkyl; R5 and R6 are hydrogen; and R7 is (C9-C15)alkanol, (C1)alkylenepiperazinyl(C1-C2)alkanol, (C1-C8)alkylenepiperazinyl (C1-C2)alkyl, (C10-C13)alkylene OCOCH3, (C1)alkylene(C1)alkylamino(C3)alkynyl, (C1)alkyleneamino(C8)alkanol or (C1)alkyleneamino(C6)alkanol(C1)alkylene(8-methoxyquinolin-2-yl); or (II), where R1, R2, R3, R4 and R6 each is as described in (I) above; R5 is (C11-C12)alkanol, and R7 is hydrogen. The invention also relates to a pharmaceutical composition based on the formula (I) compounds, a method for treatment of Alzheimer's disease, traumatic brain injury and/or damage to the spinal cord and a method for improvement of the ability of learning and/or memory in a patient suffering from Alzheimer's disease, based on the formula (I) compound.EFFECT: new hydroxy derivatives of quinoline have been obtained that have useful biological properties.13 cl, 13 dwg, 9 exИзобретение относится к области органической химии, а именно к гидроксипроизводному хинолина формулы (I) или к его фармацевтически приемлемой соли, (I) где R1 представляет собой водород, (С1-С3)алкил, (С1)алкилен(С3)циклоалкил, (С1)галоалкил или (С1)алкилен(С6)арил; R2 представляет собой водород или галоген; R3 представляет собой водород, галоген, (С1)алкил или (С1)алкокси; R4 представляет собой водород, галоген, (С1)алкил, (С1)алкокси или (С1)галоалкил; R5 и R6 представляют собой водород; и R7 представляет собой (С9-С15)алканол, (С1)алкиленпиперазинил(С1-С2)алканол, (С1-С8)алкиленпиперазинил(С1-С2)алкил, (С10-С13)алкиленОСОСН3, (С1)алкилен(С1)алкиламино(С3)алкинил, (С1)алкиленамино(С8)алканол или (С1)алкиленами