| abstract |
The invention relates to piperazine derivatives of formula (I), wherein R<1>, m, k and R<2> have the meaning given in Claim 1. Said piperazine derivatives are potent 5-HT1A agonists, have 5-HT-re-uptake inhibiting effects and are suitable for treating and preventing anxiety states, depression, schizophrenia, obsessive thoughts, tardive dyskensia, learning impairments and memory disturbances caused by age, for positively influencing compulsive behaviour, and for treating and combating the effects of cerebral infarctions, such as strokes and cerebral ischaemia. |