申请人:SANKYO COMPANY, LIMITED
公开号:US20040014762A1
公开(公告)日:2004-01-22
A pyrrolopyridazine compound having the formula (I) or a pharmaceutically acceptable salt thereof:
1
wherein, R
1
is a C
2
-C
6
alkenyl group, a halogeno C
2
-C
6
alkenyl group, a C
3
-C
7
cycloalkyl group which may be optionally substituted or a C
3
-C
7
cycloalkyl- C
1
-C
6
alkyl group which may be optionally substituted. R
2
is a C
1
-C
6
alkyl group. R
3
is a hydroxymethyl group, a C
2
-C
6
aliphatic acyloxymethyl group, a C
6
-C
10
arylcarbonyloxymethyl group which may be optionally substituted, a C
1
-C
6
alkoxycarbonyloxymethyl group, a formyl group, a carboxyl group, a C
1
-C
6
alkoxycarbonyl group or a C
6
-C
10
aryloxycarbonyl group which may be optionally substituted. R
4
is a C
6
-C
10
aryl group which may be optionally substituted. A is an imino group, an oxygen atom or a sulfur atom. These compounds exhibit excellent gastric acid secretory inhibition activity and gastric mucous membrane protection activity etc. They are useful for prevention or treatment of ulcerative diseases and for
Helicobacter pylori
infections.
一种具有以下式(I)或其药学上可接受的盐的吡咯吡啶化合物: 1其中,R1是C2-C6烯丙基,卤代C2-C6烯丙基,C3-C7环烷基,其可以选择性地取代或C3-C7环烷基-C1-C6烷基,其可以选择性地取代。R2是C1-C6烷基。R3是羟甲基,C2-C6脂肪酰氧甲基,C6-C10芳基羰基氧甲基,其可以选择性地取代,C1-C6烷氧羰基氧甲基,甲酰基,羧基,C1-C6烷氧羰基或C6-C10芳氧羰基,其可以选择性地取代。R4是C6-C10芳基,其可以选择性地取代。A是亚胺基,氧原子或硫原子。这些化合物表现出优异的胃酸分泌抑制活性和胃黏膜保护活性等。它们对于预防或治疗溃疡性疾病和幽门螺杆菌感染非常有用。