申请人:Mitsubishi Pharma Corporation
公开号:US20030018034A1
公开(公告)日:2003-01-23
The present invention relates to a piperazine compound of the formula
1
wherein R
1
and R
2
are each hydrogen, halogen, lower alkyl, lower alkoxy, amino, substituted amino, nitro, hydroxy or cyano, R
3
, R
4
and R
5
are each hydrogen, halogen, lower alkyl, lower alkoxy, nitro, amino, substituted amino or hydroxy, R
6
and R
7
are each hydrogen, lower alkyl, lower alkyl substituted by halogen, aralkyl, acyl or lower acyl substituted by halogen, R
8
and R
9
are each hydrogen or lower alkyl, Y is lower alkylene and the like, and ring A is phenyl, pyrimidyl, thiazolyl, pyridyl, pyrazyl or imidazolyl, a pharmaceutically acceptable salt thereof and pharmaceutical agents containing these compounds. The compound of the present invention has superior TNF-&agr; production inhibitory effect and/or IL-10 production promoting effect, and, since it is free of or shows only strikingly reduced expression of an effect on the central nervous system, the compound is useful as a highly safe and superior TNF-&agr; production inhibitor an/or IL-10 production promoter and is useful as an agent for the prophylaxis or treatment of various diseases caused by abnormal TNF-&agr; production, diseases curable with IL-10, such as chronic inflammatory diseases, acute inflammatory diseases, inflammatory diseases due to infection, autoimmune diseases, allergic diseases, and TNF-&agr; mediated diseases.
本发明涉及一种哌嗪化合物,其化学式为1,其中R1和R2分别为氢、卤素、低碳基、低氧基、氨基、取代氨基、硝基、羟基或氰基,R3、R4和R5分别为氢、卤素、低碳基、低氧基、硝基、氨基、取代氨基或羟基,R6和R7分别为氢、低碳基、被卤素取代的低碳基、芳基烷基、酰基或被卤素取代的低酰基,R8和R9分别为氢或低碳基,Y为低碳基亚烷基等,环A为苯基、嘧啶基、噻唑基、吡啶基、吡唑基或咪唑基,以及其药学上可接受的盐和含有这些化合物的药物制剂。本发明的化合物具有优异的TNF-α产生抑制作用和/或IL-10产生促进作用,并且由于其不具有或仅表现出对中枢神经系统的作用明显降低,因此该化合物可用作高度安全和优越的TNF-α产生抑制剂和/或IL-10产生促进剂,并可用作预防或治疗由异常TNF-α产生引起的各种疾病、可用IL-10治愈的疾病,例如慢性炎症性疾病、急性炎症性疾病、由感染引起的炎症性疾病、自身免疫性疾病、过敏性疾病和TNF-α介导的疾病。