反应详情

温度

80 °C

To a solution of 3-hydroxytoluene (5.0 g, 46.2 mmol) in N,N-dimethylformamide (50 ml) were added 2,2,2-trifluoro-1-iodoethane (10.7 g, 50.9 mmol) and potassium carbonate (12.8 g, 92.5 mmol) and the mixture was stirred overnight at 80° C. The reaction solution was diluted with water (200 ml) and extracted with diethyl ether (300 ml×2). The extract was washed successively with water and saturated brine, dried-over anhydrous magnesium sulfate and evaporated under reduced pressure. The residue was purified by silica gel column chromatography (hexane:ethyl acetate=10:1) to give 3-(2,2,2-trifluoroethoxy)toluene (7.60 g, 86%) as a colorless oil.

1. extractionextracted with diethyl ether (300 ml×2)
2. washThe extract was washed successively with water and saturated brine, dried-over anhydrous magnesium sulfate
3. customevaporated under reduced pressure
4. customThe residue was purified by silica gel column chromatography (hexane:ethyl acetate=10:1)