反应详情

A solution of 2-bromo-1-(2,3-dichlorophenyl)ethanone (4.25 g, 15.9 mmol) and potassium thiocyanate (1.54 g, 15.9 mmol) in ethanol (40 ml) was stirred at 80° C. for 2 hours. After cooling to room temperature, water (70 ml) was poured to the reaction mixture, and crystals were collected by filtration and washed with water to give 3.10 g (79.5%) of the desired product as a solid.

1. filtrationwere collected by filtration
2. washwashed with water