| abstract |
[Problem] To provide a compound which has a D-amino acid oxidase (DAAO) inhibitory effect and is useful, for example, as a prophylactic and/or therapeutic agent for schizophrenia and neuropathic pain. [Solution] The inventors have achieved the present invention by studying on compounds that inhibit DAAO and confirming that a dihydroxy aromatic heterocyclic compound has a DAAO inhibitory effect. Namely, a dihydroxy aromatic heterocyclic compound of the present invention has a good DAAO inhibitory effect and is applicable, for example, as a prophylactic and/or therapeutic agent for schizophrenia and neuropathic pain. |