反应详情

Heat at reflux for 5 to 6 hours a mixture of 1.91 g (10 mmol) of the compound obtained in Step A and 1.99 g (10 mmol) of phenacyl bromide in 20 ml of isopropanol. Cool. Collect the title compound precipitate by filtration and wash with acetone. Recrystallise from ethanol.

1. temperatureHeat
2. temperatureat reflux for 5 to 6 hours
3. temperatureCool
4. customCollect the title compound precipitate
5. filtrationby filtration
6. washwash with acetone
7. customRecrystallise from ethanol