[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([C:9]2[S:13][C:12]([CH:14]=[O:15])=[CH:11][CH:10]=2)=[CH:5][CH:4]=1.C(Br)[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1>>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([C:9]2[S:13][C:12]([CH:14]([C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)[OH:15])=[CH:11][CH:10]=2)=[CH:5][CH:4]=1The title compound was prepared from the product of step 1 (0.56 g, 2.55 mmol) and benzyl bromide (0.5 g, 3.2 mmol) using the procedure of Example 159, step 2 with 64% yield (0.6 g).
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