USE OF THE COMPOUND OF FORMULA I, A PHARMACEUTICAL COMPOSITION, A MEDICINAL AGENT Russian patent published in 2020 - IPC A61K31/352 C07D311/60 A61P27/02 

FIELD: chemistry; pharmaceutics.

SUBSTANCE: invention relates to use of a compound of Formula I, where R¹, R², R³, R⁴ and R⁵ each independently denotes a group selected from hydrogen, hydroxyl, C_1-6-alkoxy, provided that one of R¹, R², R³, R⁴ or R⁵ denotes hydroxyl; R⁶ denotes hydrogen; R⁷ denotes hydrogen; R⁸, R⁹, R¹⁰ and R¹¹ each independently denote a group selected from hydrogen and hydroxyl, provided that one of R⁸, R⁹, R¹⁰ or R¹¹ is hydroxyl; X^- denotes an anion selected from: an anion derived from a mineral acid, such as, for example, an anion of bromide, chloride, borotetrafluoride or perchloride; for treating, preventing and/or stabilizing age-related macular dystrophy (AMD), Stargardt disease, pigmentary retinopathy and/or diabetic retinopathy. Invention also relates to new specific derivatives of flavylium chloride, a pharmaceutical composition and a medicinal agent based thereon.

EFFECT: compounds with photoprotective activity are observed, which is useful in treating certain eye diseases.

9 cl, 4 dwg, 7 tbl, 3 ex