| abstract |
The present invention relates to compounds of formula n n n n n n n n n n whereinn nAr, R 1 , R 2 , R 3 , R 4 , R 5 , n, o, and p are as defined hereinn nor to pharmaceutically suitable acid addition salts, optically pure enantiomers, racemates or diastereomeric mixtures thereof. The compounds of formula I can be used for the treatment of sleep disorders, such as sleep apnea, narcolepsy, insomnia, parasomnia, jet lag syndrome, circadian rhythms disorder or sleep disorders associated with neurological diseases. |