申请人:MIYAZAWA Shuhei
公开号:US20090203911A1
公开(公告)日:2009-08-13
A novel chemical compound useful as a therapeutic or prophylactic agent for acid-related diseases is provided, which has an excellent inhibitory effect against gastric acid secretion, an excellent effect of maintaining the inhibitory effect against gastric acid secretion, thereby maintaining intragastric pH high for a long time, and having more safety and appropriate physicochemical stability. Provided is a compound represented by
where R
1
and R
3
may be the same or different and each represent a hydrogen atom or a C1-C6 alkyl group; R
2
represents (5,5-dimethyl-1,3-dioxan-2-yl)methoxy group, 5,7-dioxaspiro[2.5]oct-6-ylmethoxy group, 1,5,9-trioxaspiro[5.5]undec-3-ylmethoxy group, or (2,2-dimethyl-1,3-dioxan-5-yl)methoxy group; R
4
, R
5
, R
6
and R
7
represent a hydrogen atom, halogen atom, C1-C6 alkyl group, C1-C6 haloalkyl group, C1-C6 alkoxy group or C1-C6 haloalkoxy group; and W
1
represents a single bond, methylene or ethylene group, a salt thereof or a solvate of these.
提供了一种新的化合物,可用作治疗或预防酸相关疾病的药物,具有出色的抑制胃酸分泌作用,维持抑制胃酸分泌作用的出色效果,从而使胃内pH值长时间保持高
水平,并具有更高的安全性和适当的物理
化学稳定性。所提供的化合物表示为:其中R1和R3可以相同也可以不同,每个表示
氢原子或C1-C6烷基;R2表示(5,
5-二甲基-1,3-二
氧杂
环己-2-基)甲
氧基基团、5,7-二
氧杂螺[2.5]辛-6-基甲
氧基基团、1,5,9-三
氧杂螺[5.5]
十一烷-3-基甲
氧基基团或(
2,2-二甲基-1,3-二
氧杂环戊-5-基)甲
氧基基团;R4、R5、R6和R7表示
氢原子、卤素原子、C1-C6烷基、C1-C6卤基烷基、C1-C6烷
氧基或C1-C6卤基烷
氧基;W1表示单键、亚
甲基或
乙烯基,其盐或这些的溶剂化物。