[OH:1][C:2]1[CH:3]=[C:4]([CH:16]=[CH:17][CH:18]=1)[O:5][C:6]1[CH:15]=[CH:14][C:9]([C:10]([O:12][CH3:13])=[O:11])=[CH:8][CH:7]=1.[CH2:19](Br)[CH:20]=[CH2:21]>>[CH2:21]([O:1][C:2]1[CH:3]=[C:4]([CH:16]=[CH:17][CH:18]=1)[O:5][C:6]1[CH:15]=[CH:14][C:9]([C:10]([O:12][CH3:13])=[O:11])=[CH:8][CH:7]=1)[CH:20]=[CH2:19]The title compound was prepared in 96% yield as an oil from methyl 4-(3-hydroxyphenoxy)benzoate and allyl bromide by the procedure of Preparation 36. NMR.
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