反应详情

温度

58 °C

A 27.7 g portion of 4'-phenethyloxy-acetophenone was dissolved in 200 ml of dimethylsulfoxide. A 39.2 ml portion of 48% hydrobromic acid was added in small portions (exothermic), then the mixture was heated at 58° C. for 17 hours. The mixture was poured into 500 ml of ice and water and the solid was collected, washed with water and dried, giving the desired product as a yellow solid, mp 44°-59° C.

1. customthe solid was collected
2. washwashed with water
3. customdried