Prostaglandin I analogue.

摘要

The present invention relates to a new prostagrandine I analogous compounds represented by the following formula (I) and (II). wherein R1 is a hydrogen atom or alkyl group, at least one of R2 and/or R2' are a halogen atom, an alkyl group, a group containing an aromatic group, a hydroxyl group or an alkoxy group providing that the R2 and R2' are not simultaneously hydrogen atoms or salt thereof, which compound is expected as hypotensives.