申请人:SANTEN PHARMACEUTICAL CO., LTD.
公开号:EP1094055A1
公开(公告)日:2001-04-25
The present invention provides compounds represented by the following general formula [I] and salts thereof, which are useful as therapeutic agents for glaucoma,
wherein R1 is H, lower alkyl or phenyl, and the phenyl can be substituted by lower alkyl, hydroxy, lower alkoxy, halogen, nitro or phenyl; R2 and R3, being the same or different, are H, halogen or lower alkyl; R4 and R5, being the same or different, are H, lower alkyl or carboxyl or ester thereof; and R6 is carboxyl or phosphono or ester thereof.
本发明提供了由下通式[I]代表的化合物及其盐类,它们可用作青光眼的治疗剂、
其中 R1 是 H、低级烷基或苯基,苯基可被低级烷基、羟基、低级烷氧基、卤素、硝基或苯基取代;R2 和 R3 相同或不同,是 H、卤素或低级烷基;R4 和 R5 相同或不同,是 H、低级烷基或羧基或其酯;R6 是羧基或膦酰基或其酯。