[C:1]([C:4]1[CH:5]=[C:6]([CH2:12][C:13]#[N:14])[CH:7]=[CH:8][C:9]=1[O:10][CH3:11])([CH3:3])=[CH2:2]>C(O)C.[C].[Pd]>[CH:1]([C:4]1[CH:5]=[C:6]([CH2:12][C:13]#[N:14])[CH:7]=[CH:8][C:9]=1[O:10][CH3:11])([CH3:3])[CH3:2](3-Isopropenyl-4-methoxyphenyl)acetonitrile (4.42 g, 23.61 mmol) obtained in Example (109-1) was dissolved in ethanol (50 ml) and 10% palladium-carbon (1 g) was added thereto, and the mixture was stirred at room temperature under a hydrogen atmosphere for 30 minutes. The reaction mixture was filtered, and the filtrate was concentrated under reduced pressure. The residue obtained was purified by silica gel column chromatography (developing solvent: hexane/ethyl acetate=4/1) to give (3-isopropyl-4-methoxyphenyl)acetonitrile (4.08 g, yield: 91%).
Wird geladen…