The invention relates to a compound of formulawherein A is defined herein or to pharmaceutically active salts, stereoisomeric forms, including individual diastereoisomers and enantiomers of the compound of formula I as well as racemic and non-racemic mixtures thereof. 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).
