摘要:
PROBLEM TO BE SOLVED: To provide AMPA receptor ligands for treatment of epilepsy or schizophrenia, and a pharmaceutical composition containing them.SOLUTION: The present invention relates to l H-quinazoline-2,4-diones represented by formula (I) (in the formula, Rrepresents CF, CHF, CHF, CHCHF-, CHCF-, ethyl or isopropyl, and Rrepresents alkyl, phenyl, heterocyclyl alkyl or the like which is substituted by one or more substituents selected from a group comprising halogen, nitro, cyano, acyl, hydroxy, oxo(=O), alkoxy, cycloalkoxy, acyloxy, alkoxycarbonyloxy, amino, alkylamino, dialkylamino, formyl, acylamino and alkoxycarbonylamino), a method for producing them, and an intermediate for producing the component represented by the formula (I).