| abstract |
The present invention relates to quinoxalinedione-carboxylic acid and quinoxalinedione-phosphonic acid derivatives of the general formula (I) in which the substituents have the meanings given in the description, their preparation and their use in medicaments. The compounds of formula (I) as well as their physiologically acceptable salts are useful as medicaments for the treatment of diseases caused by hyperactivity of excitatory amino acids, such as glutamate or aspartate, owing to their affinity for the quasiqualate receptors. |