Triethylamine → 8-(6-(4-nitrophenyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-3-oxa-8-azabicyclo[3.2.1]octane

Participants

Reaction Steps

To a 150-mL sealed tube containing a suspension of 4-chloro-6-(4-nitro-phenyl)-1-(2,2,2-trifluoro-ethyl)-1H-pyrazolo[3,4-d]pyrimidine (0.72 g, 2.0 mmol) and 3-oxa-8-azabicyclo[3.2.1]octane hydrochloride (0.33 g, 2.2 mmol) in ethanol (20 mL) was added triethylamine (1.0 mL, 2.2 mmol). The mixture was heated with a heat gun until all solid material was dissolved, then mixture was allowed to cool, at which time a precipitate was formed. The solid was collected by Buchner filtration, washed with methanol, and dried under house vacuum to provide 8-(6-(4-nitrophenyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-3-oxa-8-azabicyclo[3.2.1]octane as a pale yellow solid (0.59 g, 68%). MS (ES+): 435.0 (M+H)+

Provenance & Evidence