反应详情

温度

50 °C

20.0 g (75% pure, 42.5 mmol) of tert-butyl(+/−)-[4-(bromomethyl)phenyl](cyclopentyl)acetate were added to a suspension of 16.3 g (84.9 mmol) of cesium acetate in 80 ml of DMF. The resulting mixture was heated at 50° C. for 1.5 h. After cooling, the mixture was diluted with ethyl acetate, washed successively with water and saturated sodium chloride solution, dried over magnesium sulfate and concentrated under reduced pressure. The crude product was purified by chromatography on silica gel (mobile phase cyclohexane/ethyl acetate 40:1→about 10:1). This gave 11.7 g (76.4% of theory) of the title compound.

1. temperatureAfter cooling
2. washwashed successively with water and saturated sodium chloride solution
3. dry with materialdried over magnesium sulfate
4. concentrationconcentrated under reduced pressure
5. customThe crude product was purified by chromatography on silica gel (mobile phase cyclohexane/ethyl acetate 40:1→about 10:1)