| abstract |
The present invention relates to novel N-substituted azaheterocyclic carboxylic acids and esters thereof of formula (I), to a process for their preparation and to pharmaceutical compositions containing these compounds. These new compounds can be used for the treatment of central nervous system conditions related to the binding of alpha-aminobutyric acid (GABA). The compounds of formula (I) can be used to treat in particular pain, anxiety, extrapyrimidic dyskinesia, epilepsy and certain muscular and motor disorders. They can also be used as sedatives, hypnotic agents and antidepressants. |