Water → 1-(1-Benzothiophen-3-yl)-2-bromoethan-1-one

참여 물질

반응 단계

A solution of phenyltrimethylammonium tribromide (9.6 g) in tetrahydrofuran (20 ml) was added dropwise over 15 minutes at ambient temperature to a stirred solution of 3-acetylbenzo[b]thiophen (5 g) in tetrahydrofuran (50 ml), then the mixture was stirred at ambient temperature for 35 minutes. Water (100 ml) was added, and the resulting solid was collected by filtration, washed with water (2×50 ml) and dried in vacuo at ambient temperature to give 3-(2-bromoacetyl)benzo[b]thiophen as a white solid (2.4 g).

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