Heterocyclic derivatives with an anticonvulsive activity, process for preparation and pharmaceutical composition.

摘要

The invention relates to heterocyclic compounds with anticonvulsive activity, of general formula (I) <IMAGE> in which Y is chosen from -O-, -S- and <IMAGE>, R4 being H or an alkyl, acyl or benzyl, optionally substituted; Z is chosen from the groups -CO-N(R6)-, -NH-CO-CH=CH- and -N(R6)-CO-, R6 being H or alkyl; R1 is a C1-C4 alkyl; R2 is a C1-C4 alkyl or a halogen; R3 represents a C1-C4 alkyl, alkoxy or hydroxyalkyl group, optionally substituted, or a C2-C7 alkanoyl group. Medicaments.