反应详情

温度

120 °C

2-Chloro-5-methoxypyrimidine (8-1, 5.13 g, 35.6 mmol) and 1-(4-hydroxy-2,6-dimethylphenyl)ethanone (4-2, 6.10 g, 37.2 mmol) were suspended in DMF (80.0 ml) and added with copper powder (0.78 g, 7.8 mmol) and potassium carbonate (15.31 g, 0.11 mol). The reaction was heated at 120° C. for 16 h. The reaction was cooled to room temperature and diluted with EtOAc (90 mL). The organic phase was washed with 15% NaOH and water, dried over sodium sulfate, filtered, and concentrated under reduced pressure. The residue was purified by flash column chromatography on silica gel (40% EtOAc in hexanes as eluant) to give 1-{4-((5-methoxypyrimidin-2-yl)oxy)-2,6-dimethylphenyl}ethanone (8-2, 2.33 g) as light yellow solids in 24% yield: 1H NMR (500 MHz, DMSO-d6) δ 8.41 (s, 2 H), 6.86 (s, 2 H), 3.86 (s, 3 H), 2.47 (s, 3 H), 2.18 (s, 6 H).

1. temperatureThe reaction was cooled to room temperature
2. washThe organic phase was washed with 15% NaOH and water
3. dry with materialdried over sodium sulfate
4. filtrationfiltered
5. concentrationconcentrated under reduced pressure
6. customThe residue was purified by flash column chromatography on silica gel (40% EtOAc in hexanes as eluant)