| 摘要 |
PROBLEM TO BE SOLVED: To provide a 2-amino substituted pyridine derivative useful as an active ingredient of medicines such as antipsychotic agent, anti-anxiety agent, or brain function improver.SOLUTION: The present invention provides a compound represented by formula (I), or physiologically acceptable salt thereof. In the formula (I), Ar is plurally substituted/unsubstituted aryl group or heteroaryl group; the substituents are the same or different to represent H, a halogen atom, an alkyl group or the like; R-Rare the same or different to represent H, an alkyl group or the like; Y is an oxyethylene group (-OCHCH-), an azaethylene group (-N(-R) CHCH-), or a substituent with an oxidized azaethylene group (-N=CHCH-); and Ris H, an alkyl group or the like. |
