| abstract |
The invention relates to piperidine derivatives of the formula I, in which R1, R2, m and k have the meanings indicated in claim 1, and their salts, novel intermediates and processes for the preparation of the compounds according to the invention. The compounds of the formula I are potent σ receptor ligands and show 5-HT reuptake-inhibiting actions and can be used for the production of medicaments, for example for the treatment of disorders of the central nervous system, of strokes, brain or bone marrow traumata or of ischaemic states. |