申请人:Hagihara Masahiko
公开号:US20090036453A1
公开(公告)日:2009-02-05
The present invention discloses a pyrrolopyridazinone compound represented by the formula (1):
wherein R
1
represents C
1
-C
2
alkyl group or halogeno C
1
-C
2
alkyl group,
R
2
repersents C
3
-C
5
cycloalkyl group, (C
3
-C
5
cycloalkyl)C
1
-C
2
alkyl group or C
1
-C
3
alkyl group,
R
3
represents hydrogen atom, or methylene group or cis-vinylene group for forming substituted oxygen-containing hetero ring in combination with group —O—R
2
,
R
4
represents hydrogen atom, halogen atom, C
1
-C
8
alkyl group, C
2
-C
6
alkenyl group, C
2
-C
6
alkynyl group, hydroxy C
3
-C
6
alkenyl group, hydroxy C
3
-C
6
alkynyl group, C
1
-C
6
alkyl group substituted by substituent(s) selected from Substituent group (a), C
3
-C
6
cycloalkyl group which may be substituted by substituent(s) selected from Substituent group (b), “C
1
-C
3
alkyl group which is substituted by C
3
-C
6
cycloalkyl group which may be substituted by substituent(s) selected from Substituent group (b), and which may be substituted by a hydroxy group”, an aromatic ring group or heteroaromatic ring group each of which may be substituted by a substituent(s) selected from Substituent group (c) or “C
1
-C
2
alkyl group which is substituted by aromatic ring group or heteroaromatic ring group each of which may be substituted by group(s) selected from Substituent group (c), and which may be substituted by a hydroxy group”,
Substituent group (a) represents a halogen atom, hydroxy group, cyano group, carboxy group, C
1
-C
5
alkoxy group, halogeno C
1
-C
4
alkoxy group, C
3
-C
6
cycloalkoxy group, (C
3
-C
6
cycloalkyl)C
1
-C
2
alkoxy group, C
1
-C
4
alkoxycarbonyl group, C
2
-C
4
alkanoyl group, C
2
-C
4
alkanoyloxy group or C
1
-C
4
alkyl-substituted amino group,
Substituent group (b) represents a hydroxy group or a halogen atom,
Substituent group (c) represents a halogen atom, a hydroxy group, a cyano group, a nitro group, a carboxy group, C
1
-C
5
alkoxy group, C
1
-C
4
alkoxycarbonyl group, C
2
-C
4
alkanoyloxy group, C
1
-C
4
alkyl-substituted amino group or a C
1
-C
4
alkyl group which may be substituted by a substituent(s) selected from the group consisting of (a halogen atom, a hydroxy group and a carboxy group),
or a pharmaceutically acceptable salt thereof.
本发明公开了一种由式(1)表示的吡咯吡啶二酮化合物:其中,R1代表C1-C2烷基或卤代C1-C2烷基,R2代表C3-C5环烷基、(C3-C5环烷基)C1-C2烷基或C1-C3烷基,R3代表氢原子,或与基团-O-R2结合形成取代含氧杂环的亚甲基或顺式乙烯基,R4代表氢原子、卤素原子、C1-C8烷基、C2-C6烯基、C2-C6炔基、羟基C3-C6烯基、羟基C3-C6炔基、由从取代基团(a)中选择的取代基团取代的C1-C6烷基,可由从取代基团(b)中选择的取代基团取代的C3-C6环烷基,可由从取代基团(b)中选择的取代基团取代的C1-C3烷基,且可由羟基取代,芳香环基或杂芳香环基,每个都可由从取代基团(c)中选择的取代基团取代或由取代基团(c)选择的基团取代的C1-C2烷基,且可由羟基取代,取代基团(a)表示卤素原子、羟基、氰基、羧基、C1-C5烷氧基、卤代C1-C4烷氧基、C3-C6环烷氧基、(C3-C6环烷基)C1-C2烷氧基、C1-C4烷氧羰基、C2-C4酰基、C2-C4酰氧基或C1-C4烷基取代的氨基基团,取代基团(b)表示羟基或卤素原子,取代基团(c)表示卤素原子、羟基、氰基、硝基、羧基、C1-C5烷氧基、C1-C4烷氧羰基、C2-C4酰氧基、C1-C4烷基取代的氨基基团或可由从由卤素原子、羟基和羧基组成的基团中选择的取代基团取代的C1-C4烷基,或其药学上可接受的盐。