反应详情

A mixture of 19.67 g (89 mmol) of 3,4-difluoro-phenethyl bromide, 28.07 g (107 mmol) of triphenyl phosphine and 134 ml of toluene was heated under reflux for 36 hrs. After cooling, the crystal was washed by decantation with toluene and dried in vacuo, while ice-cooling.

1. temperaturewas heated
2. temperatureunder reflux for 36 hrs
3. temperatureAfter cooling
4. washthe crystal was washed by decantation with toluene
5. customdried in vacuo, while ice-
6. temperaturecooling