[CH2:1]([O:8][C:9]1[CH:16]=[CH:15][C:12]([CH2:13][OH:14])=[C:11]([CH3:17])[CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.CO>[O-2].[O-2].[Mn+4].C(Cl)(Cl)Cl>[CH2:1]([O:8][C:9]1[CH:16]=[CH:15][C:12]([CH:13]=[O:14])=[C:11]([CH3:17])[CH:10]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1A mixture of 0.70 g (3.07 mmol) of 4-benzyloxy-2-methylbenzyl alcohol, 2.67 g (30.7 mmol) of manganese dioxide, 0.5 ml of methanol and 20 ml of chloroform was stirred at room temperature for 11 hours. Then insoluble matters were filtered off and the filter-rate was concentrated under reduced pressure. The resulting residue was purified by silica gel column chromatography to give 0.60 g of 4-benzyloxy-2-methylbenzaldehyde.
Wird geladen…
