| abstract |
New imidazoquinoxaline compounds having general formula (I), wherein Q is (a), wherein R?1 and R?2 independently are hydrogen, straight or branched C1-6?-alkyl, or C3-7?-cycloalkyl; R?3 is hydrogen, straight or branched C1-6?-alkyl, straight or branched C2-6?-alkenyl, or aralkyl or aroylalkyl which may optionally be substituted with halogen or C1-6?-alkoxy; R?4 and R?5 independently are hydrogen, halogen, C1-6?-alkyl or trifluoromethyl. The compounds are useful in phychopharmaceutical preparations as anticonvulsants, anxiolytics, hypnotics and in improving the cognitive function of the brain of mammals. |