申请人:Eisai R&D Management Co., Ltd.
公开号:EP2963043A1
公开(公告)日:2016-01-06
A compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof works as an mGluR2 antagonist, and is applicable as a therapeutic agent for neurological disorders related to glutamate dysfunction and diseases involving the mGluR2, such as Alzheimer's disease:
wherein R is a hydrogen atom, a C1-6 alkyl group or the like, R1 is a C1-6 alkyl group, a C1-6 alkoxy group or the like, R2 is a halogen atom, a C1-6 alkyl group, a C1-6 alkoxy group or the like, R3 is a hydrogen atom, a C1-6 alkyl group or the like, and R4 is a C1-6 alkyl group or the like.
下式(I)代表的化合物或其药学上可接受的盐可作为 mGluR2 拮抗剂,适用于治疗与谷氨酸功能障碍有关的神经系统疾病和涉及 mGluR2 的疾病,如阿尔茨海默病:
其中 R 是氢原子、C1-6 烷基或类似物,R1 是 C1-6 烷基、C1-6 烷氧基或类似物,R2 是卤素原子、C1-6 烷基、C1-6 烷氧基或类似物,R3 是氢原子、C1-6 烷基或类似物,R4 是 C1-6 烷基或类似物。