Antikonvulsiv wirkende 2,5-Dihydro-pyrazolo(3,4-d)pyrimidin-4-one und Verfahren zu deren Darstellung

摘要

The invention relates to 2,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-ones and their tautomers, containing an ar(alkyl) radical in position 5 and a hydrogen or an ar(alkyl) radical in position 2; to methods for producing them and to their use as medicaments, especially for treating different kinds of epilepsies.