CHRISTIAN EICKMEIER,CORNELIA DORNER-CLOSSEK,DENNIS FIEGEN,GERHARD SCHAENZLE,HOLGER ROSENBROCK,KLAUS FUCHS,MARTIN HENDRIX,NIKLAS HEINE,RICCARDO GIOVANNINI,THOMAS FOX
申请号:
BRPI0918527
公开号:
BRPI0918527A2
申请日:
2009.09.04
申请国别(地区):
BR
年份:
2015
代理人:
摘要:
The invention relates to novel cycloalkyl- or cycloalkenyl-substituted pyrazolopyrimidinones of formula (I). wherein A, R1-R5 and x are as defined herein, and their use as medicaments for improving perception, concentration, learning and/or memory in patients in need thereof.