申请人:Eisai R&D Management Co., Ltd.
公开号:EP1953154A1
公开(公告)日:2008-08-06
The present invention relates to a compound represented by the formula (I):
or a pharmacologically acceptable salt thereof, wherein R1, R2, R3, and R4 are the same or different and each represent a hydrogen atom or a C1-6 alkyl group; X1 represents a C1-6 alkylene group that may be substituted; Xa represents a methoxy group or a fluorine atom; Xb represents an oxygen atom or a methylene group, provided that Xb is only an oxygen atom when Xa is a methoxy group; and Ar1 represents an aryl group, pyridinyl group, aryloxy group, or pyridinyloxy group that may have a substituent such as a halogen atom; and to use of the compound or salt as a pharmaceutical agent.
本发明涉及一种由式 (I) 代表的化合物:
或其药理上可接受的盐,其中 R1、R2、R3 和 R4 相同或不同,且各自代表氢原子或 C1-6 烷基;X1 代表可被取代的 C1-6 亚烷基;Xa 代表甲氧基或氟原子;Xb代表氧原子或亚甲基,但当Xa为甲氧基时,Xb仅为氧原子;Ar1代表芳基、吡啶基、芳氧基或吡啶氧基,可具有卤素原子等取代基;以及将化合物或盐用作药剂。