respectively) were the most potent ones in the sleep test and anticonvulsant test, showing a comparable activity with diazepam as the reference drug. The results of in vivo studies, especially the antagonistic effects of flumazenil, and also the radioligand‐binding assay confirmed the involvement of benzodiazepine (BZD) receptors in the anticonvulsant and hypnotic activity of compounds 7 and 11. Finally, the