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。