反应详情

tert-Butyl 4-(5-chloro-pyrazolo[1,5-a]pyrimidin-7-yl)piperazine-1-carboxylate (1.23 g, 3.65 mmol) was dissolved under an argon atmosphere in anhydrous methanol (6 ml). Sodium methanolat (3.65 ml of a 1M solution in methanol) was added and the mixture was heated under reflux for 9 hours. The solvent was removed under reduced pressure, the residue taken up in dichloromethane, the resulting solution was washed with water, dried over magnesium sulfate, the solvent removed under reduced pressure to yield 1.186 g of a solid (3.56 mmol, 98%). MS (APCI): m/z=334.3 [M+1]+.

1. temperaturethe mixture was heated
2. temperatureunder reflux for 9 hours
3. customThe solvent was removed under reduced pressure
4. washthe resulting solution was washed with water
5. dry with materialdried over magnesium sulfate
6. customthe solvent removed under reduced pressure