反应详情

Under vigorous stirring 18.5 g of boron trifluoride etherate was added slowly to a solution of 60.6 g of 2,2-bis(4-fluorophenyl)oxirane in 450 ml of toluene. The mixture was washed twice with water, the solvent was evaporated and the residue was distilled to yield α-(4-fluorophenyl)-4-fluorobenzeneacetaldehyde.

1. washThe mixture was washed twice with water
2. customthe solvent was evaporated
3. distillationthe residue was distilled