| abstract |
The present application is directed to chemical compounds of formula (I-A) or formula (II-A) (in which the variables are as defined in the claims), compositions containing them and uses of the compositions for treating sleepiness, tiredness Parkinson's disease, cerebral ischaemia, stroke, sleep apneas, eating disorders, attention deficit hyperactivity disorder, cognitive dysfunction or fatigue, for the promotion of wakefulness, stimulation of appetite or weight gain or for the treatment of disorders associated with hypofunctionality of the cerebral cortex such as depression, schizophrenia and chronic fatigue syndrome. |