Ethanol → 4-Bromo-6-chloro-2,3-dihydro-2,2-dimethylbenzofuran

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[CH3:15][c:16]1[cH:17][cH:18][cH:19][cH:20][cH:21]1.[CH3:31][CH2:32][OH:33].[N:27]([O-:28])=[O:29].[NH2:1][c:2]1[c:3]([Cl:14])[cH:4][c:5]([Br:13])[c:6]2[c:10]1[O:9][C:8]([CH3:11])([CH3:12])[CH2:7]2.[Na+:30].[S:22](=[O:23])(=[O:24])([OH:25])[OH:26]>>[cH:2]1[c:3]([Cl:14])[cH:4][c:5]([Br:13])[c:6]2[c:10]1[O:9][C:8]([CH3:11])([CH3:12])[CH2:7]2