申请人:Fujita Hitoshi
公开号:US20110039848A1
公开(公告)日:2011-02-17
Provided are: a five-membered ring compound represented by formula (1) or a pharmaceutically acceptable salt thereof; and a medicine containing the compound or salt. The compound or salt inhibits the infiltration of leukocytes such as eosinophils and lymphocytes, is effective as a therapeutic agent for various kinds of inflammation, and is so safe that the compound or salt can be taken for long.
In formula (1), R
1
is (substituted) phenyl or pyridyl; R
2
is (substituted) pyrazinediyl, pyrimidinediyl, or pyridazinediyl; R
3
to R
5
each is alkyl (provided that —N(R
4
)R
5
may be morpholino); and Y
2
is alkylene.
提供的是:由式(1)表示的五元环化合物或其药学上可接受的盐;以及含有该化合物或盐的药物。该化合物或盐抑制白细胞浸润,如嗜酸性粒细胞和淋巴细胞,对各种炎症有效,且安全性高,可长期服用。在式(1)中,R1是(取代)苯基或吡啶基;R2是(取代)吡嗪二基、嘧啶二基或吡嗪二基;R3至R5分别是烷基(但—N(R4)R5可以是吗啡基);Y2是烷基。