| abstract |
The present invention relates to a compound of formula (I) wherein Ar1 is aryl or heteroaryl; Ar2 is aryl or heteroaryl; R1 is hydrogen, halogen, hydroxy, lower alkyl, lower alkoxy, lower alkyl substituted by halogen, lower alkoxy substituted by halogen, S-lower alkyl, -S(O)2-lower alkyl, -S(O)2-di-lower alkyl amino, cyano, amino, mono or di-lower alkyl amino, C(O)--lower alkyl, NHC(O)-lower alkyl, cycloalkyl, heterocyclyl, or is heteroaryl, optionally substituted by lower alkyl; R2 is hydrogen, halogen, lower alkyl, lower alkoxy, lower alkyl substituted by halogen or cyano; R3 is hydrogen, halogen, lower alkyl or lower alkyl substituted by halogen; n is 1, 2 or 3; in case n is 2 or 3, R1 may be the same or different; o is 1, 2 or 3; in case o is 2 or 3, R2 may be the same or different; p is 1, 2 or 3; in case p is 2 or 3, R4 may be the same or different; or to a pharmaceutically active salt, to all stereoisomeric forms, including individual diastereoisomers and enantiomers as well as to racemic and non-racemic mixtures thereof. It has been found that the present compounds are high potential NK-3 receptor antagonists for the treatment of depression, pain, psychosis, Parkinson's disease, schizophrenia, anxiety and attention deficit hyperactivity disorder (ADHD). |