申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP0945439A1
公开(公告)日:1999-09-29
The present invention relates to a compound represented by the general formula [I]:
wherein Ar1 represents an aryl group which may have a substituent selected from the group consisting of a halogen atom and lower alkyl and lower haloalkyl groups; Ar2 represents an aryl or heteroaryl group which may have a substituent selected from the group consisting of a halogen atom and lower alkyl, lower alkenyl, lower haloalkyl, lower alkoxy, lower alkylthio, lower alkylamino, lower dialkylamino and aryl groups; R1 and R2 may be the same or different and each represents a hydrogen atom or a lower alkyl group; R3 and R4 may be the same or different and each represents a hydrogen atom or a lower alkyl group, or R3 and R4 are linked to each other to form an alkylene group containing 2 to 4 carbon atoms which may have a lower alkyl group; and R5 represents a hydrogen atom or a lower alkyl or lower alkoxy group,
or its salt, a method for its preparation as well as an agent for the treatment of bulimia, obesity or diabetes comprising it as an active ingredient.
本发明涉及通式[I]所代表的化合物:
其中Ar1代表芳基,其取代基可选自由卤素原子、低级烷基和低级卤代烷基组成的组;Ar2代表芳基或杂芳基,其取代基可选自由卤素原子、低级烷基、低级烯基、低级卤代烷基、低级烷氧基、低级烷硫基、低级烷氨基、低级二烷基氨基和芳基组成的组;R1 和 R2 可以相同或不同,各自代表一个氢原子或一个低级烷基;R3 和 R4 可以相同或不同,各自代表一个氢原子或一个低级烷基,或 R3 和 R4 相互连接形成一个含有 2 至 4 个碳原子的亚烷基,该亚烷基可能含有一个低级烷基;以及 R5 代表一个氢原子或一个低级烷基或低级烷氧基、
或其盐,其制备方法以及治疗贪食症、肥胖症或糖尿病的药物,其活性成分均包含该物质。