| abstract |
The purpose of the present invention is to provide a novel compound or a pharmaceutically acceptable salt thereof useful in the prophylaxis or the treatment of diseases/disorders, such as schizophrenia, Alzheimer's disease, cognitive dysfunction, dementia, anxiety disorders (generalized anxiety disorder, panic disorder, obsessive-compulsive disorder, social anxiety disorder, post-traumatic stress disorder, specific phobias, acute stress disorder, etc.), depression, drug dependence, convulsion, tremor, pain, and sleep disorder, based on the action of inhibiting glycine uptake. Disclosed is a compound represented by formula [I], or a pharmaceutically acceptable salt thereof. |