反应详情

温度

50 °C

3-Benzyloxy-5-bromo-4-[hydroxyl(4-methoxyphenyl)-methyl]-1-isopropyl-1H-pyrazole (0.6 g) was dissolved in dichloromethane (10 mL), and manganese dioxide was added to the stirred solution at room temperature. The mixture was stirred at 50° C. for 1 hour. The insoluble material was removed by filtration, and the filtrate was concentrated under reduced pressure to give the title compound (0.4 g).

1. customThe insoluble material was removed by filtration
2. concentrationthe filtrate was concentrated under reduced pressure