| 摘要 |
FIELD: chemistry.SUBSTANCE: present invention relates to a novel prostaglandin Iderivative or a pharmaceutically acceptable salt thereof, specifically a 7,7-difluoro-PCl(formula (1)) derivative, where Rand Reach independently denote a hydrogen atom or an alkyl group with a straight chain, having 1-3 carbon atoms, Ris 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 Iderivative or a pharmaceutically acceptable salt thereof.22 cl, 23 ex, 4 tbl, 12 dwg |
