Patent ID: 8188098
Filing Date: 2012-05-29
Classification: A61P,C07D

Abstract:
1. A compound, wherein said compound is: 4-[4-(2-Fluoro-4-methanesulfonyl-phenylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2,4,5-Trifluoro-phenylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(4-Methanesulfonyl-phenylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(2,4,5-Trifluoro-phenylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Methanesulfonyl-phenylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Fluoro-4-methanesulfonyl-phenylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(2-Methyl-pyridin-3-ylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(6-Methanesulfonyl-2-methyl-pyridin-3-ylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Methyl-6-[1,2,4]triazol-1-yl-pyridin-3-ylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(5-Methanesulfonyl-2,3-dihydro-indol-1-yl)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; [1-(1-Benzyl-piperidin-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-(2-fluoro-4-methanesulfonyl-phenyl)-amine; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid methyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid ethyl ester; 4-[4-(2-Fluoro-4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid ethyl ester; 4-(4-Phenoxy-pyrazolo[3,4-d]pyrimidin-1-yl)-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(2,4,5-Trifluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[3-Methyl-4-(2,4,5-trifluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(4-Ethoxy-2-fluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(2-Cyano-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(6-Cyano-2,3-difluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-3-methyl-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(2-Fluoro-4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(3-Fluoro-4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(4-Acetylamino-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-{4-[4-(5-Methyl-tetrazol-1-yl)-phenoxy]-pyrazolo[3,4-d]pyrimidin-1-yl}-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester hydrochloride salt; 4-[4-(6-Methanesulfonyl-2-methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(2-Methyl-6-[1,2,4]triazol-1-yl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(1-Methyl-6-oxo-1,6-dihydro-pyridazin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester; 4-[4-(2-Fluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(3-Fluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Fluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2,4,5-Trifluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2,4,6-Trifluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2,3,5-Trifluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2,4-Dichloro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Methoxy-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Ethoxy-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(Benzo[1,3]dioxol-5-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Trifluoromethoxy-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Ethoxy-2-fluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Chloro-4-methoxy-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Cyano-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Cyano-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Cyano-2-fluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Cyano-3-fluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(6-Cyano-2,3-difluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Cyano-4,5-difluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Chloro-2-cyano-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Bromo-2-cyano-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(3-Fluoro-5-trifluoromethyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Chloro-4-trifluoromethyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Chloro-3-trifluoromethyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Sulfamoyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Dimethylsulfamoyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Methanesulfinyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Fluoro-4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(3-Fluoro-4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Carbamoyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Fluoro-4-methoxycarbonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Acetyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Acetyl-3-methyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Fluoro-4-nitro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-{4-[4-(4-Acetyl-piperazin-1-yl)-phenoxy]-pyrazolo[3,4-d]pyrimidin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Methanesulfonylamino-3-methyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(3-Acetylamino-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Acetylamino-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(Quinolin-5-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carb oxylic acid tert-butyl ester; 4-[4-(1H-Pyrrolo[2,3-b]pyridin-5-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(1H-Indol-4-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(1H-Indol-5-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-oxo-2H-chromen-7-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(1,1-Dioxo-1H-1λ6-benzo [b]thiophen-5-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(1,1-Dioxo-1H-1λ6-benzo [b]thiophen-5-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(1,1-Dioxo-2,3-dihydro-1H-1λ6-benzo[b]thiophen-5-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-[1,2,4]Triazol-1-yl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-{4-[4-(1H-Tetrazol-5-yl)-phenoxy]-pyrazolo[3,4-d]pyrimidin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Tetrazol-2-yl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Tetrazol-1-yl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-{4-[4-(5-Methyl-tetrazol-1-yl)-phenoxy]-pyrazolo[3,4-d]pyrimidin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester; 4-{4-[4-(5-Methyl-[1,2,4]oxadiazol-3-yl)-phenoxy]-pyrazolo[3,4-d]pyrimidin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Thiophen-3-yl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 3-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; (R)-3-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; (S)-3-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 3-[4-(2-Cyano-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(Pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2,6-Dimethyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(6-Trifluoromethyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2,6-Dimethoxy-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(6-Methoxy-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(6-Chloro-2-methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(6-Methanesulfonyl-2-methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Cyano-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(5-Chloro-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Methyl-6-[1,2,4]triazol-1-yl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(1-Methyl-6-oxo-1,6-dihydro-pyridazin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(6-Ethyl-2-methyl-pyrimidin-4-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid butyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid(R)-sec-butyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isobutyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isobutyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid 2,2-dimethyl-propyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid 2-fluoro-1-fluoromethyl-ethyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid 2,2,2-trifluoro-1-methyl-ethyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid 2,2,2-trifluoro-1,1-dimethyl-ethyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid 2,2,2-trifluoro-1-trifluoromethyl-ethyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid 2,2,2-trifluoro-ethyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid 2,2,2-trichloro-1,1-dimethyl-ethyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid 2,2,2-trichloro-ethyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid cyclobutyl ester; 4-[4-(4-Ethoxy-2-fluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid cyclopentyl ester; 4-[4-(2-Cyano-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid cyclopentyl ester; 4-[4-(6-Cyano-2,3-difluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid cyclopentyl ester; 4-[4-(2-Fluoro-4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid cyclopentyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid cyclopentyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid phenyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid 4-nitro-phenyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid benzyl ester; 4-[4-(2-Methyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid cyclohexyl ester; 1-[1-(3-Isopropyl-[1,2,4]oxadiazol-5-yl)-piperidin-4-yl]-4-(4-methanesulfonyl-phenoxy)-1H-pyrazolo[3,4-d]pyrimidine; 4-(2-Fluoro-4-methanesulfonyl-phenoxy)-1-[1-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine; 4-(3-Fluoro-4-methanesulfonyl-phenoxy)-1-[1-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine; 1-[1-(3-Isopropyl-[1,2,4]oxadiazol-5-yl)-piperidin-4-yl]-4-(2-methyl-pyridin-3-yloxy)-1H-pyrazolo[3,4-d]pyrimidine; 1-[1-(6-Chloro-pyridazin-3-yl)-piperidin-4-yl]-4-(4-methanesulfonyl-phenoxy)-1H-pyrazolo[3,4-d]pyrimidine; 4-(2-Fluoro-4-methanesulfonyl-phenoxy)-1-[4-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidine; 4-(2-Fluoro-4-methanesulfonyl-phenoxy)-1-[4-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-trans-cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidine; 1-[4-(3-Isopropyl-[1,2,4]oxadiazol-5-yl)-trans-cyclohexyl]-4-[4-(5-methyl-tetrazol-1-yl)-phenoxy]-1H-pyrazolo[3,4-d]pyrimidine; 4-(2-Fluoro-4-methanesulfonyl-phenoxy)-1-[4-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-cis-cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidine; 1-[4-(3-Isopropyl-[1,2,4]oxadiazol-5-yl)-cyclohexyl]-4-(2-methyl-pyridin-3-yloxy)-1H-pyrazolo[3,4-d]pyrimidine; 1-{4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-2-methyl-propan-1-one; 2,2-Dimethyl-1-{4-[4-(2,4,5-trifluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-propan-1-one; 1-{4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-2,2-dimethyl-propan-1-one; 1-{4-[4-(2-Fluoro-4-methanesulfonyl-phenylamino)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-2,2-dimethyl-propan-1-one; Cyclobutyl-{4-[4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-methanone; Cyclopentyl-{4-[4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-methanone; 1-{4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-3-methyl-butan-1-one; 1-{4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-4-methyl-pentan-1-one; 1-{4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-3,3-dimethyl-butan-1-one; 2-Cyclohexyl-1-{4-[4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-ethanone; 1-{4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-3-phenyl-propan-1-one; Cyclopentyl-{4-[4-(4-ethoxy-2-fluoro-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-methanone; 2,2,2-Trifluoro-1-{4-[4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-ethanone; {4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-phenyl-methanone; (3,5-Dichloro-phenyl)-{4-[4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-methanone; {4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-(4-methoxy-phenyl)-methanone; (1,5-Dimethyl-1H-pyrazol-3-yl)-{4-[4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-methanone; {4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-(5-methyl-isoxazol-3-yl)-methanone; (5-Isobutyl-isoxazol-3-yl)-{4-[4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-methanone; {4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-thiophen-2-yl-methanone; Benzothiazol-2-yl-{4-[4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-methanone; 1-(1-Benzyl-piperidin-4-yl)-4-(4-methanesulfonyl-phenoxy)-1H-pyrazolo[3,4-d]pyrimidine; 1-[1-(3-Chloro-benzyl)-piperidin-4-yl]-4-(4-methanesulfonyl-phenoxy)-1H-pyrazolo[3,4-d]pyrimidine; 1-[1-(4-Fluoro-benzyl)-piperidin-4-yl]-4-(4-methanesulfonyl-phenoxy)-1H-pyrazolo[3,4-d]pyrimidine; 1-[1-(4-Chloro-benzyl)-piperidin-4-yl]-4-(4-methanesulfonyl-phenoxy)-1H-pyrazolo[3,4-d]pyrimidine; 4-(4-Methanesulfonyl-phenoxy)-1-[1-(4-trifluoromethyl-benzyl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine; 4-(4-Methanesulfonyl-phenoxy)-1-[1-(3-trifluoromethoxy-benzyl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine; 1-[1-(2,2-Difluoro-benzo[1,3]dioxol-5-ylmethyl)-piperidin-4-yl]-4-(4-methanesulfonyl-phenoxy)-1H-pyrazolo[3,4-d]pyrimidine; 2-{4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-ylmethyl}-phenol; 4-(4-Methanesulfonyl-phenoxy)-1-[1-(2-methoxy-benzyl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine; 4-(4-Methanesulfonyl-phenoxy)-1-[1-(4-methoxy-benzyl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine; 1-[1-(4-Isopropyl-benzyl)-piperidin-4-yl]-4-(4-methanesulfonyl-phenoxy)-1H-pyrazolo[3,4-d]pyrimidine; 3-{4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-ylmethyl}-benzonitrile; 4-(4-Methanesulfonyl-phenoxy)-1-(1-thiazol-2-ylmethyl-piperidin-4-yl)-1H-pyrazolo[3,4-d]pyrimidine; 4-(4-Methanesulfonyl-phenoxy)-1-[1-(5-methyl-isoxazol-3-ylmethyl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine; 4-(4-Methanesulfonyl-phenoxy)-1-[1-(2-methyl-propane-1-sulfonyl)-piperidin-4-yl]-1H-pyrazolo[3,4-d]pyrimidine; 4-[6-Chloro-4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[6-Chloro-4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[6-Amino-4-(2-cyano-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; 4-[4-(4-Methanesulfonyl-phenoxy)-6-methyl-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester; or 4-[4-(4-Methanesulfonyl-phenoxy)-6-methoxy-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester.