The present invention provides a novel compound having an excellent acetylcholinesterase inhibitory effect. That is, it provides a 4-substituted piperidine compound fluoride represented by the following formula, a pharmaceutically acceptable salt thereof or hydrates thereof (provided that 1-benzyl-4-[(5,6-dimethoxy-2-fluoro-1-indanon)-2-yl]methylpiperidine, a pharmaceutically acceptable salt thereof and hydrates thereof are excluded).
wherein R1 and R2 represent substituents.
本发明提供了一种具有优异
乙酰胆碱酯酶抑制作用的新型化合物。即提供了一种由以下式表示的4-取代
哌啶化合物
氟化物,其药用上可接受的盐或其
水合物(但排除1-苄基-4-[(5,6-二甲氧基-2-
氟-1-
吲哚酮)-2-基]-甲基
哌啶,其药用上可接受的盐和
水合物)。其中R1和R2代表取代基。