Hybrids between phenytoin and thiosemicarbazide, 1, 3, 4-oxadiazole, 1, 3, 4-thiadiazole or 1, 2, 4-triazole were synthesized and tested for anticonvulsant activity. Preliminary anticonvulsant screening was performed using standard maximal electroshock (MES) and subcutaneous pentylenetetrazole (scPTZ) screens in mice. The neurotoxicity was determined applying the rotarod test. Among these compounds, 4 and 5d showed the ...