Takeda Pharmaceutical Company Limited
Heterocyclic compound and use thereof

Abstract:

The present invention provides a heterocyclic compound having an antagonistic action on an NMDA receptor containing the NR2B subunit, and expected to be useful as an agent for the prophylaxis or treatment of major depression, bipolar disorder, migraine, pain, behavioral and psychological symptoms of dementia and the like. The present invention relates to a compound represented by the formula (I): ##STR00001## wherein each symbol is as described in the description, or a salt thereof.