申请人:Eisai R&D Management Co., Ltd.
公开号:EP2065379A1
公开(公告)日:2009-06-03
The present invention provides a compound that has superior gastric acid secretion inhibitory action, ample long-lasting gastric acid secretion inhibitory action, and is able to maintain intragastric pH at a high level for an extended period of time, making it useful as a therapeutic or prophylactic agent for diseases or symptoms caused by gastric acid, as well as an active form of this compound (form to which the compound is converted in the body following administration thereof) in the form of a compound represented by general formula (1 a) (wherein R2 represents a group represented by formula (I) or the like, and R1, R3, W1 and X- are as defined in the description).
本发明提供了一种化合物,该化合物具有优异的胃酸分泌抑制作用、充分持久的胃酸分泌抑制作用,并且能够在较长时间内将胃内pH值维持在较高水平,因此可用作胃酸引起的疾病或症状的治疗剂或预防剂、以及该化合物的活性形式(给药后该化合物在体内转化的形式),其形式为通式(1 a)所代表的化合物(其中 R2 代表式(I)或类似式所代表的基团,R1、R3、W1 和 X- 如说明中所定义)。