TRICYCLIC CYTOPROTECTIVE COMPOUNDS Russian patent published in 2010 - IPC C07D209/88 C07D491/10 C07D495/04 C07D209/52 A61K31/403 A61K31/407 A61P25/28 

FIELD: chemistry.

SUBSTANCE: use of compounds of formula (I): where: X denotes >CR¹R² or, when R⁶ denotes H, X denotes >SO₂; Y denotes >CR¹R²; Z denotes >C=O, >CH₂, single bond; R¹ denotes H, R² denotes H, -COOH, -OH; or R¹ and R² together denote =O, ethylenedioxy or hydroxyimino group; R³ denotes H, lower alkyl group; R⁴ denotes two H, =O, hydroxyimino group; R⁵ denotes H, lower alkyl group, halogen; R⁶ denotes H, lower alkoxy, COOH; R⁷ and R⁸ are identical or different from each other and each denotes H, lower alkyl, halogen; and pharmaceutically acceptable salts thereof and esters for preparing a medicinal agent.

EFFECT: agent having neuroprotective action against hypoxia.

2 tbl, 24 ex, 13 cl