| abstract |
The present invention relates to a compound of Formula (I), wherein R1 is hydrogen or lower alkyl; is hydrogen, fluoro, hydroxy or lower alkyl; R3 is hydrogen or lower alkyl; R4 is -CHR5-A R5 is hydrogen, lower alkyl, fluoro, CF3, CH2OH or cycloalkyl; A is aryl or heteroaryl, which rings are unsubstituted or substituted by (R6)o; R6 may be the same or not when o is more than one, and is heteroaryl, lower alkyl, lower alkoxy, cyano, halogen, lower alkyl substituted by halogen, lower alkoxy substituted by halogen or NR7R8; o is 1, 2 or 3; R7, R8 are independently hydrogen or lower alkyl; R9 is lower alkyl; R10 is lower alkyl, lower alkoxy or halogen; n is 1 or 2; m is 1 or 2; or to a pharmaceutically suitable acid addition salt thereof. The invention includes all sterioisomeric forms, including individual diastereoisomers and enantiomers of the compound of Formula (I) as well as racemic and non-racemic mixtures thereof. It has been found that the present compounds are high potential NK-3receptor antagonists for the treatment of depression, pain, psychosis, Parkinson's disease, schizophrenia, anxiety and attention deficit hyperactivity disorder (ADHD). |