[DE] 6-AMINO-5-CYANO-PYRIMIDIN-4-ONE ZUR VERBESSERUNG VON WAHRNEHMUNG, KONZENTRATIONS-, LERN- UND/ODER GEDÄCHTNISLEISTUNG [EN] 6-AMINO-5-CYANO-PYRIMIDINE-4-ONES USED FOR IMPROVING PERCEPTION, POWER OF CONCENTRATION, LEARNING EFFICIENCY, AND/OR MEMORY POWER [FR] 6-AMINO-5-CYANO-PYRIMIDIN-4-ONES POUR AMELIORER LA PERCEPTION ET LES APTITUDES DE CONCENTRATION, D'APPRENTISSAGE ET/OU DE MEMORISATION
4-(methylsulfanyl)-6-oxo-2-(3-thienylmethyl)-1,6-dihydropyrimidine-5-carbonitrile 、 哌嗪 以to give 45 mg (49% of theory) of the title compound的产率得到6-oxo-4-(piperazin-1-yl)-2-(3-thienylmethyl)-1,6-dihydropyrimidine-5-carbonitrile
The invention relates to novel cyanopyrimidinones, process for their preparation, and the use thereof for producing medicaments for improving perception, concentration, learning and/or memory.