反应详情

温度

110 °C

To a solution of 3-bromo-5-(hydroxymethyl)phenol (3.0 g, 14.77 mmol) in DMF (15 mL) under a N2 atmosphere was added potassium carbonate (4.08 g, 29.55 mmol) and the mixture was stirred for 20 min. 2-Chloro-5-(trifluoromethyl)pyridine (2.68 g, 14.77 mmol) was added at RT and then the reaction was refluxed at 110° C. overnight. The reaction mixture was cooled and water was added. The mixture was extracted with ethyl acetate three times. The organic layer was washed with brine, dried over Na2SO4 and evaporated to dryness to give the title compound (5.5 g) which was used in the next step without purification. 1H NMR (500 MHz, CDCl3): δ 8.44 (s, 1H), 7.92 (d, J=8.5 Hz, 1H), 7.41 (s, 1H), 7.24 (s, 1H), 7.19 (s, 1H), 7.04 (d, J=9 Hz, 1H), 4.71 (s, 2H); m/z (348, 349.9, M+H+).

1. temperatureThe reaction mixture was cooled
2. extractionThe mixture was extracted with ethyl acetate three times
3. washThe organic layer was washed with brine
4. dry with materialdried over Na2SO4
5. customevaporated to dryness