[EN] PIPERIDINE DERIVATIVES AS NK3 RECEPTOR ANTAGONISTS<br/>[FR] DÉRIVÉS DE PIPÉRIDINE EN TANT QU'ANTAGONISTES DU RÉCEPTEUR NK3
申请人:HOFFMANN LA ROCHE
公开号:WO2009033995A1
公开(公告)日:2009-03-19
The invention relates to a compound of general formula (I) wherein Ar1/Ar2 are independently from each other phenyl or pyridinyl, which are optionally substituted by one or two substituents, selected from the group consisting of halogen, lower alkyl, lower alkoxy, lower alkyl substituted by halogen, lower alkoxy substituted by halogen, lower alkyl substituted by alkoxy, lower alkyl substituted by cyano, lower di-alkyl amino, pyridinyl or cyano; R1 is hydrogen, lower alkyl, -(CH2)2O-lower alkyl, or cycloalkyl: R2 is -S(O)2-lower alkyl or -C(O) -lower alkyl; or R1 and R2 form together with the N-atom to which they are attached a pyrrolidin-2- one or a piperidin-2-one group; R3 is hydrogen, halogen or lower alkyl; R4 is hydrogen or lower alkyl; R5/R5' are independently from each other hydrogen, lower alkyl, lower alkyl substituted by halogen, lower alkyl substituted by hydroxy or cycloalkyl; or R5 and R5' form together with the carbon-atom to which they are attached a cycloalkyl group; or to a pharmaceutically active salt 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).