5-[2-Benzyloxy-4-(1,1-dimethylheptyl)phenyl]-3-methyl-2-cyclohexen-1-one → cis-3-[2-Benzyloxy-4-(1,1-dimethylheptyl)phenyl]-5-methyl-cyclohexanone
反応式
[CH2:1]([O:8][C:9]1[CH:14]=[C:13]([C:15]([CH3:23])([CH3:22])[CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH3:21])[CH:12]=[CH:11][C:10]=1[CH:24]1[CH2:29][C:28](=[O:30])[CH:27]=[C:26]([CH3:31])[CH2:25]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[H][H]>[Pd]>[CH2:1]([O:8][C:9]1[CH:14]=[C:13]([C:15]([CH3:22])([CH3:23])[CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH3:21])[CH:12]=[CH:11][C:10]=1[C@H:24]1[CH2:25][C@@H:26]([CH3:31])[CH2:27][C:28](=[O:30])[CH2:29]1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1参加物
4
実験手順
A mixture of 5-[2-benzyloxy-4-(1,1-dimethylheptyl)phenyl]-3-methyl-2-cyclohexen-1-one (1.00 g, 2.39 mmole) and 500 mg of 5% palladium on carbon-50% water was stirred under one atmosphere of hydrogen for one hour. A second 500 mg portion of catalyst was added and stirring continued for 30 minutes. A third 500 mg portion of catalyst was added and stirring continued for 13 minutes. The reaction mixture was then filtered through sodium bicarbonate and magnesium sulfate and the filtrate evaporated. The residue was purified via column chromatography on 140 g of silica gel eluted with 10% ether-petroleum ether to yield 323 mg (32%) of the title compound as an oil.