[OH:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][C:10]([C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)=[O:11])[CH:5]=[CH:6][CH:7]=1>[Pd].C1COCC1>[OH:1][C:2]1[CH:3]=[C:4]([CH2:8][CH2:9][C:10]([C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)=[O:11])[CH:5]=[CH:6][CH:7]=1The title compound was prepared as described in General Method 3 from 3-(3-hydroxy-phenyl)-1-phenyl-prop-2-en-1-one (8.0 g, 35.7 mmol), 5% Pd on BaSO4 (0.4 g), and THF (100 mL) at a reaction time of 2 hours. The crude product was purified by silica gel chromatography, eluting with EtOAc:hexane (10:90 to 25:75) to give the title compound, m.p. 81°-83° C.
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