Benzoimidazole compound capable of inhibiting prostaglandin D synthetase
申请人:Taiho Pharmaceuticals Co., Ltd.
公开号:US07951956B2
公开(公告)日:2011-05-31
The present invention provides a benzimidazole compound represented by Formula (I)
wherein X1 is oxygen or carbonyl, and R1 is a furan ring having 1 to 3 substituents or a pyrrole ring that may have 1 to 3 substituents; excluding compounds represented by Formula (I) wherein at least one of the substituents is a phosphoric acid group or a phosphoric ester group; or a salt thereof. The benzimidazole compound or salt thereof has excellent prostaglandin synthase inhibitory activity, and is useful as an agent for preventing and/or treating diseases in which prostaglandin D2 or metabolites thereof participates, such as allergic and inflammatory diseases, and as inhibitor for the exacerbation of Alzheimer's disease or cerebral damage.