申请人:Miyazawa Shuhei
公开号:US20070010542A1
公开(公告)日:2007-01-11
An object of the present invention is to provide a novel chemical compound useful as a therapeutic or prophylactic agent for acid-related diseases, having 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.
本发明的目的是提供一种新型化合物,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,保持抑制胃酸分泌作用的出色效果,从而长时间保持胃内pH值高,并具有更高的安全性和适当的理化稳定性。
提供的化合物表示为
其中R
1
和R
3
可以相同也可以不同,每个代表氢原子或C1-C6烷基;R
2
表示(5,5-二甲基-1,3-二氧杂环戊烷-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-1,3-二氧杂环戊烷-5-基)甲氧基基团;
R
4
,R
5
,R
6
和R
7
代表氢原子,卤原子,C1-C6烷基,C1-C6卤代烷基,C1-C6烷氧基或C1-C6卤代烷氧基;W
1
表示单键,亚甲基或乙烯基,其盐或这些的溶剂化合物。