| abstract |
(57) [Problem] To provide a compound which acts as a 5-HT 1 A ligand. SOLUTION: The formula: (Wherein R 1 , R 2 , R 3 and R 4 represent a hydrogen atom, a halogen atom, an alkyl group, etc., and XY represents N-CH 2 A represents a 5- to 7-membered heterocyclic ring together with two carbon atoms of a phenyl ring, Z and Z ′ represent a hydrogen atom, A hydroxyl group or the like), a process for producing the same and a pharmaceutical composition containing the same. |