申请人:Iimura Yoichi
公开号:US20050107432A1
公开(公告)日:2005-05-19
The present invention provides an indanone derivative and an excellent sigma receptor binding agent comprising an indanone derivative. More specifically, it provides a sigma receptor binding agent comprising an indanone derivative represented by the following formula, a pharmacologically acceptable salt thereof or a hydrate of them.
In the formula (I), R
1
, R
2
, R
3
and R
4
are the same as or different from each other and each represents hydrogen atom, a halogen atom, hydroxyl group, nitrile group, a C
1-6
alkyl group which may be substituted, a cycloalkyl group having three to eight carbon atoms which may be substituted, a C
1-6
alkoxy group which may be substituted, a cycloalkoxy group having three to eight carbon atoms which may be substituted, an acyl group having one to six carbon atoms which may be substituted, a C
1-6
alkoxycarbonyl group which may be substituted, a C
1-6
alkylaminocarbonyloxy group which may be substituted, a di(C
1-6
alkyl)aminocarbonyloxy group which may be substituted, nitro group, an amino group which may be substituted, an amido group which may be substituted, mercapto group or a thio-C
1-6
alkoxy group which may be substituted, and further R
1
with R
2
, R
2
with R
3
, or R
3
with R
4
may together form an aliphatic ring, an aromatic ring, a heterocyclic ring or an alkylenedioxy ring; the partial structure:
represents a group represented by >CH—CH
2
—, >C═CH— or >C(—R
7
)—CH
2
—; m represents an integer of 0 or 1 to 5; and R
5
represents hydrogen atom, a C
1-6
alkyl group which may be substituted, a C
2-6
alkenyl group which may be substituted, a C
2-6
alkynyl group which may be substituted, a cycloalkyl group having three to eight carbon atoms which may be substituted, a 2,2-(alkylenedioxy)ethyl group or a group represented by the formula:
(wherein the ring C represents benzene ring, an aliphatic ring or a heterocyclic ring; R
6
s are the same as or different from each other and each represents hydrogen atom, a halogen atom, hydroxyl group, nitrile group, a C
1-6
alkyl group which may be substituted, a C
2-6
alkenyl group which may be substituted, a C
2-6
alkynyl group which may be substituted, a cycloalkyl group having three to eight carbon atoms which may be substituted, a C
1-6
alkoxy group which may be substituted, a C
1-6
alkoxyalkoxy group which may be substituted, an aryloxy group which may be substituted or an aralkyloxy group which may be substituted, and further two of R
6
s may together form an aliphatic ring, an aromatic ring, a heterocyclic ring or an alkylenedioxy ring; R
7
represents a halogen atom, hydroxyl group, a C
1-6
alkyl group which may be substituted, a C
1-6
alkoxy group, nitrile group, a halogeno-C
1-6
alkyl group, a hydroxyl-C
1-6
alkyl group, a cyano-C
1-6
alkyl group, an amino-C
1-6
alkyl group, nitro group, azide group, an amino group which may be substituted, a carbamoyl group which may be substituted, a carboxyl group which may be substituted, mercapto group or a thio-C
1-6
alkoxy group; and n represents an integer of 1 to 5), provided that 1-benzyl-4-[(5,6-dimethoxy-1-indanon)-2-yl]methylpiperidine, a pharmacologically acceptable salt thereof or a hydrate of them are excluded.
本发明提供了一种茚满酮衍生物和一种包含茚满酮衍生物的优良σ受体结合剂。更具体地说,本发明提供了一种σ受体结合剂,它包含下式所代表的茚满酮衍生物、其药理学上可接受的盐或它们的水合物。
在式 (I) 中,R
1
, R
2
, R
3
和 R
4
相同或不同,且各自代表氢原子、卤素原子、羟基、腈基、C
1-6
烷基(可被取代)、具有三至八个碳原子的环烷基(可被取代)、C 1-6
1-6
可被取代的 C 1-6 烷氧基、具有三至八个碳原子且可被取代的环烷氧基、具有一至六个碳原子且可被取代的酰基、C 1-6
1-6
烷氧基羰基(可被取代)、C
1-6
烷基氨基羰氧基(可被取代)、二(C 1-6
1-6
烷基)氨基羰氧基(可被取代)、硝基、氨基(可被取代)、酰胺基(可被取代)、巯基或硫代-C 1-6
1-6
烷氧基(可被取代),以及进一步的 R
1
与 R
2
, R
2
与 R
3
或 R
3
与 R
4
可共同形成脂肪族环、芳香族环、杂环或烷基二氧基环; 部分结构:
代表一个由 >CH-CH
2
-、>C═CH- 或 >C(-R
7
) -CH
2
-代表 0 或 1 至 5 的整数;以及 R
5
代表氢原子、C
1-6
烷基(可被取代)、C
2-6
可被取代的 C 2-6 烷基
2-6
可被取代的 C 2-6 烷基、可被取代的 C 2-6 烯基、可被取代的 C 2-6 炔基、具有 3 至 8 个碳原子的可被取代的环烷基、2,2-(亚烷基二氧基)乙基或由以下式子表示的基团:
(其中环 C 代表苯环、脂肪族环或杂环; R
6
相同或不同,且各自代表氢原子、卤素原子、羟基、腈基、C
1-6
烷基(可被取代)、C
2-6
烯基(可被取代)、C
2-6
可被取代的 C 2-6 烷基、可被取代的 C 2-6 烯基、可被取代的 C 2-6 炔基、具有三至八个碳原子的环烷基、可被取代的 C
1-6
烷氧基(可被取代)、C
1-6
可被取代的 C 1-6 烷氧基、可被取代的 C 1-6 烷氧基、可被取代的芳氧基或可被取代的芳烷氧基,以及 R
6
中的两个可共同形成脂肪环、芳香环、杂环或烷基二氧基环; R 7
7
代表卤素原子、羟基、C
1-6
烷基(可被取代)、C
1-6
烷氧基、腈基、卤素-C
1-6
烷基、羟基-C
1-6
烷基、氰基-C
1-6
烷基、氨基-C
1-6
烷基、硝基、叠氮基、可被取代的氨基、可被取代的氨基甲酰基、可被取代的羧基、巯基或硫代-C 1-6
1-6
烷氧基;以及 n 代表 1 至 5 的整数),但不包括 1-苄基-4-[(5,6-二甲氧基-1-茚酮)-2-基]甲基哌啶、其药理学上可接受的盐或它们的水合物。