申请人:Dainippon Sumitomo Pharma Co., Ltd.
公开号:EP1942101A1
公开(公告)日:2008-07-09
The present invention relates to a compound of the formula (1):
wherein R1 is group of the formula (2):
(wherein X is nitrogen atom or C(R5), Y is nitrogen atom or C(R6), R5 and R6 are each independently hydrogen atom, etc.) etc., m is 1 to 6, L1 is single bond, etc., R2 is hydrogen atom, substituted or unsubstituted alkyl group, etc., R3 is hydrogen atom, etc., L2 is single bond, etc., R4 is hydrogen atom, substituted or unsubstituted aryl group, etc., or pharmaceutically acceptable salt thereof, being useful for preventing or treating Alzheimer's disease.
本发明涉及一种式 (1) 的化合物:
其中 R1 为式(2)的基团:
(其中X为氮原子或C(R5),Y为氮原子或C(R6),R5和R6各自独立地为氢原子等)等,m为1至6,L1为单键等,R2为氢原子、取代或未取代的烷基等,R3为氢原子等,L2为单键等,R4为氢原子、取代或未取代的芳基等,或其药学上可接受的盐,可用于预防或治疗阿尔茨海默病。