申请人:——
公开号:US20040242685A1
公开(公告)日:2004-12-02
The present invention relates to N-[(1-dimethylaminocycloalkyl)methyl]benzamide derivatives having the general formula I
1
wherein n is 0, 1, 2 or 3; R
1
and R
2
are independently H, (C
1-4
)alkyl or (C
1-4
)alkyloxy;
R
3
is (C
3-8
)alkyl, (C
4-7
)cycloalkyl, (C
4-7
)cycloalkyl (C
1-3
)alkyl, (C
6-12
)aryl(C
1-3
)alkyl (wherein the aryl moiety is optionally substituted with 1-3 substituents selected from (C
1-4
)alkyl, (C
1-4
)alkyloxy, halogen, trifluoromethyl and methoxycarbonyl), or (C
4-9
)heteroaryl(C
1-3
)alkyl; or a pharmaceutically acceptable salt thereof. The invention also relates to pharmaceutical compositions comprising said derivatives, and to the use of these N-[(1-dimethylaminocycloalkyl)methyl]benzamide derivatives in the treatment of disorders or conditions which are responsive to inhibition of the GlyT-2 transporter, such as muscle spasticity, epilepsy and, particularly, acute, chronic and neuropathic pain.
本发明涉及具有一般式I1的N-[(1-二甲氨基环烷基)甲基]苯甲酰胺衍生物,其中n为0、1、2或3;R1和R2分别为H、(C1-4)烷基或(C1-4)烷氧基;R3为(C3-8)烷基、(C4-7)环烷基、(C4-7)环烷基(C1-3)烷基、(C6-12)芳基(C1-3)烷基(其中芳基基团可选地被1-3个取自(C1-4)烷基、(C1-4)烷氧基、卤素、三氟甲基和甲氧羰基的取代基所取代),或(C4-9)杂环芳基(C1-3)烷基;或其药学上可接受的盐。本发明还涉及包含所述衍生物的制药组合物,以及在治疗对GlyT-2转运体抑制有反应的疾病或病况,例如肌肉痉挛、癫痫和特别是急性、慢性和神经病理性疼痛中使用这些N-[(1-二甲氨基环烷基)甲基]苯甲酰胺衍生物的用途。