Takeda Pharmaceutical Company Limited
HETEROCYCLIC COMPOUND AND USE THEREOF

Abstract:

A heterocyclic compound that can have an antagonistic action on an NMDA receptor containing the NR2B subunit, and is expected to be useful as a prophylactic or therapeutic agent for depression, bipolar disorder, migraine, pain, peripheral symptoms of dementia and the like is provided. A compound represented by the formula (I): ##STR00001## wherein each symbol is as described in the DESCRIPTION, or a salt thereof.