[OH:1][C:2]([CH3:25])([CH3:24])[CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][C:8]1[CH:9]=[C:10]([CH:14]=[CH:15][C:16]2[CH:17]=[C:18]([OH:23])[CH:19]=[C:20]([OH:22])[CH:21]=2)[CH:11]=[CH:12][CH:13]=1>[Pd]>[OH:1][C:2]([CH3:25])([CH3:24])[CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][C:8]1[CH:9]=[C:10]([CH2:14][CH2:15][C:16]2[CH:21]=[C:20]([OH:22])[CH:19]=[C:18]([OH:23])[CH:17]=2)[CH:11]=[CH:12][CH:13]=1In a manner similar to Example 9(a), by reacting 600 mg (1.76 mmol) of 5-{2-[3-(6-hydroxy-6-methylheptyl)phenyl]vinyl}benzene-1,3-diol with 60 mg of 10% palladium/carbon, pinkish crystals (m=368 mg; Y=61%) are obtained. m.p.=102-3° C.
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