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.
本发明提供一种由式(I)表示的苯并咪唑化合物,其中X1为氧或羰基,R1为具有1到3个取代基的呋喃环或可能具有1到3个取代基的吡咯环;不包括式(I)中至少一个取代基为磷酸基或磷酸酯基的化合物;或其盐。该苯并咪唑化合物或其盐具有优异的前列腺素合酶抑制活性,并且可用作预防和/或治疗前列腺素D2或其代谢物参与的疾病,如过敏和炎症性疾病,并作为防止阿尔茨海默病或脑损伤加重的抑制剂。