反应详情

19 g of tetrakis (bromomethyl)ethylene and 9 g of p-toluene sulfonamide were dissolved in 220 ml of dimethylformamide. 30 g of anhydrous potassium carbonate was added and then stirred at room temperature for 20 hours. Thereafter solvent was removed by vacuum distillation. 50 ml of ethylacetate was added to obtain solid product, and solid product was purified by silica gel column chromatography. 12 g of the title compound was obtained (yield 60%).

1. customThereafter solvent was removed by vacuum distillation
2. addition50 ml of ethylacetate was added
3. customto obtain solid product, and solid product
4. customwas purified by silica gel column chromatography