N-OXIDES AS PRODRUGS OF PIPERAZINE&PIPERIDINE DERIVATIVES

The present invention relates to N-oxides of certain piperazine and piperidine derivatives and to methods for the preparation of these compounds. The invention also relates to the use of compounds disclosed herein for the manufacture of a medicament giving a beneficial effect. A beneficial effect is disclosed herein or apparent to a person skilled in the art from the specification and general knowledge in the art. The invention also relates to the use of a compound of the invention for the manufacture of a medicament for treating or preventing a disease or condition. More particularly, the invention relates to a new use for the treatment of a disease or condition disclosed herein or apparent to a person skilled in the art from the specification and general knowledge in the art. In embodiments of the invention specific compounds disclosed herein are used for the manufacture of a medicament useful in the treatment of CNS-disorders, in particular the treatment of anxiety disorders, including generalized anxiety disorder and panic disorder, obsessive compulsive disorder, aggression, addiction (including craving), depression, autism, vertigo, schizophrenia and other psychotic disorders, Parkinson's disease and disturbances of cognition and memory. The compounds have the general formula (1) wherein the symbols have the meanings given in the specification.