反应详情

温度

100 °C

5-Benzyloxy-2- (4-hydroxyphenyl) pyrimidine (2 g, 0.0072 moles, Example 30) was dissolved in 15 ml of N,N-dimethylformamide in a 50 ml flask and 0.2 g of dry sodium hydride was added. After stirring the mixture for 15 minutes, 1.39 g (0.0072 moles) of octylbromide was added and the mixture was heated to 100° C. for 2 hours. Upon cooling to room temperature, 15 ml of water was added. The resulting solid was collected by filtration and the solid was then slurried in boiling methanol, cooled to room temperature, and again collected by filtration. The solid was hydrogenated on a Parr Hydrogenator with catalytic 10% palladium on carbon in tetrahydrofuran under 413.7 kPa hydrogen pressure for about 18 hours. When the hydrogenation was complete, the catalyst was removed by filtration, and the solvent was removed on a rotary evaporator to yield 1.62 g (75% yield) of 5-hydroxy-2-(4-(octyloxy)phenyl)pyrimidine.

1. temperatureUpon cooling to room temperature
2. filtrationThe resulting solid was collected by filtration
3. temperaturecooled to room temperature
4. filtrationagain collected by filtration
5. waitThe solid was hydrogenated on a Parr Hydrogenator with catalytic 10% palladium on carbon in tetrahydrofuran under 413.7 kPa hydrogen pressure for about 18 hours
6. customthe catalyst was removed by filtration
7. customthe solvent was removed on a rotary evaporator