反应详情

温度

0 °C

9,9′-bianthracene (10 g, 28.2 mmol) was dissolved in DMF (200 mL), protected from light and N-bromosuccinimide (5.5 g, 31 mmol) diluted in DMF (20 ml) was added to the solution at 0° C. The reaction mixture was maintained at 0° C. for 1 hour. The solution was then warmed slowly to room temperature and stirred for 4 h. After the reaction completion, water was added to the mixture to terminate the reaction. The reaction mixture was extracted with ethyl acetate and water, dried with anhydrous magnesium sulfate, the solvent was removed and the residue was purified by column chromatography on silica(hexane-dichloromethane) to give product 4.5 g (37%) as a yellow solid.

1. additionwas added to the solution at 0° C
2. temperatureThe solution was then warmed slowly to room temperature
3. customto terminate
4. customthe reaction
5. extractionThe reaction mixture was extracted with ethyl acetate and water
6. dry with materialdried with anhydrous magnesium sulfate
7. customthe solvent was removed
8. customthe residue was purified by column chromatography on silica(hexane-dichloromethane)