Methyl 3-benzyloxy-5-phenylbenzoate → Methyl 3-hydroxy-5-phenylbenzoate
反応式
C([O:8][C:9]1[CH:10]=[C:11]([CH:16]=[C:17]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[CH:18]=1)[C:12]([O:14][CH3:15])=[O:13])C1C=CC=CC=1>C(O)(=O)C.[Pd]>[OH:8][C:9]1[CH:10]=[C:11]([CH:16]=[C:17]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[CH:18]=1)[C:12]([O:14][CH3:15])=[O:13]参加物
4
実験手順
To a solution of methyl 3-benzyloxy-5-phenylbenzoate (10 g) in acetic acid (300 ml) was added 10% palladium on carbon (1 g), and the mixture was subjected to catalytic hydrogenation at 80° C. under atmospheric pressure. The catalyst was removed by filtration and the filtrate was evaporated in vacuo. To the residue were added ethyl acetate and water, and adjusted to pH 5 with potassium carbonate. The separated organic layer was washed with brine, dried over magnesium sulfate and evaporated in vacuo to give methyl 3-hydroxy-5-phenylbenzoate.