反应详情

8 ml of trifluoroacetic acid are added, at 0° C., to a solution of 2 g (5.6 mmol) of phenylmethyl 1,1-dimethylethyl 2-(phenylmethyl)-1,4-butanedioate in 16 ml of dichloromethane. After 7 h at room temperature, the mixture is evaporated to dryness and the residue is recrystallized from cyclohexane. 1.05 g of a white product are obtained.

1. customthe mixture is evaporated to dryness
2. customthe residue is recrystallized from cyclohexane