| abstract |
Formula [I] Or a pharmaceutically acceptable salt thereof is a novel compound or pharmaceutically acceptable salt thereof having an antagonistic action on a group II metabotropic glutamate (mGlu) receptor, Mood disorder (depressive disorder, bipolar disorder, etc.), anxiety disorder (generalized anxiety disorder, panic disorder, obsessive compulsive disorder, social anxiety disorder, post-traumatic stress disorder, specific phobia, acute stress disorder, etc.), It is useful as a preventive or therapeutic agent for diseases such as schizophrenia, Alzheimer's disease, cognitive dysfunction, dementia, drug dependence, convulsions, tremors, pain, and sleep disorders. |