[OH:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([CH2:14][CH:15]([CH3:17])[CH3:16])[CH2:9][C:10]([O:12][CH3:13])=[O:11])=[C:4]([O:18][CH3:19])[CH:3]=1.[CH2:20]([O:22][CH2:23][CH2:24]Br)[CH3:21]>>[CH3:19][O:18][C:4]1[CH:3]=[C:2]([O:1][CH2:21][CH2:20][O:22][CH2:23][CH3:24])[CH:7]=[CH:6][C:5]=1[CH:8]([CH2:14][CH:15]([CH3:17])[CH3:16])[CH2:9][C:10]([O:12][CH3:13])=[O:11]Following a similar procedure to that described in Preparation 45A(i), but using methyl 3-(4-hydroxy-2-methoxyphenyl)-5-methylhexanoate (prepared as described in Preparation 58B) and 2-ethoxyethyl bromide, the title compound was obtained as an oily substance.
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