792953-06-1Relevant academic research and scientific papers
1, 5-DIHYDRO-PYRAZOLO (3, 4-D) PYRIMIDIN-4-ONE DERIVATIVES AND THEIR USE AS PDE9A MODULATORS FOR THE TEATMENT OF CNS DISORDERS
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Page/Page column 70; 74, (2009/07/03)
The invention relates to novel substituted pyrazolopyrimidines. Chemically, the compounds are characterised by general Formula (I): with R1 being phenyl or pyridyl, any of which is substituted with 1 to 4, preferably 1 to 3 substituents X; X in
6-Arylmethyl-substituted pyrazolopyrimidines
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, (2008/06/13)
The invention relates to novel 6-arylmethyl-substituted pyrazolopyrimidines, process for their preparation and their use for producing medicaments for improving perception, concentration, learning and/or memory.
6-ARYLMETHYL-SUBSTITUTED PYRAZOLOPYRIMIDINES
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Page/Page column 31, (2008/06/13)
The invention relates to novel 6-arylmethyl-substituted pyrazolopyrimidines of formula (I) wherein R1 represents phenyl, pyridyl or thiophenyl, and R2 represents phenyl or heteroaryl. The invention also relates to the salts and solvates thereof, and/or solvates of the salts thereof, to methods for producing said pyrazolopyrimidines, and to the use of the same for producing pharmaceuticals for improving perception, power of concentration, learning capacity and/or memory retention.
6-CYCLYLMETHYL- AND 6-ALKYLMETHYL-SUBSTITUTED PYRAZOLOPYRIMIDINES
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Page/Page column 36, (2008/06/13)
The invention relates to novel 6-cyclylmethyl- and 6-alkylmethyl-substituted pyrazolopyrimidines, method for production and use thereof for the production of medicaments for the improvement of cognition, concentration, learning and/or memory capacity.
