Abstract Eleven analogs of N-arylisoindoline pharmacophore were synthesized and evaluated for their anticonvulsant activities. The in vivo screening data acquired indicate that all the analogs have the ability to protect against pentylenetetrazole-induced seizure. Compounds 2, 6, and 11 elevated clonic seizure thresholds at 30 min which were more active than reference drug phenytoin, and compounds 2, 7, and 11 showed marked ...