[Br:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:12]3[CH:13]=[CH:14][C:15]([OH:17])=[CH:16][C:11]=3[S:10][N:9]=2)=[CH:4][CH:3]=1.[Br:18][CH2:19][CH2:20]Br>>[Br:18][CH2:19][CH2:20][O:17][C:15]1[CH:14]=[CH:13][C:12]2[C:8]([C:5]3[CH:4]=[CH:3][C:2]([Br:1])=[CH:7][CH:6]=3)=[N:9][S:10][C:11]=2[CH:16]=1In analogy to example 2.1, 3-(4-bromo-phenyl)-benzo[d]isothiazol-6-ol and 1,2-dibromoethane were converted to yield 6-(2-Bromo-ethoxy)-3-(4-bromo-phenyl)-benzo[d]isothiazole as off-white solid, 105° C., MS: 411 (M, 2Br).
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