NOVEL PROSTAGLANDIN I DERIVATIVE Russian patent published in 2014 - IPC C07D405/06 A61K31/5585 A61P1/00 A61P1/04 

FIELD: chemistry.

SUBSTANCE: present invention relates to a novel prostaglandin I₂ derivative or a pharmaceutically acceptable salt thereof, specifically a 7,7-difluoro-PCl₂

(formula (1)) derivative, where R¹ and R² each independently denote a hydrogen atom or an alkyl group with a straight chain, having 1-3 carbon atoms, R³ is a hydrogen atom, an alkyl group, having 1-4 carbon atoms, as well as a medicinal agent based on compounds of formula 1 for treating and preventing various diseases of the gastrointestinal system.

EFFECT: obtaining a novel prostaglandin I₂ derivative or a pharmaceutically acceptable salt thereof.

22 cl, 23 ex, 4 tbl, 12 dwg