反应详情

2.0 g of 4-[(6-acetoxyhexyl)sulfonyl]toluene, 1.3 g of N-bromo-succinimide (NBS), 0.015 g of benzoyl peroxide (BPO) , and 20 mL of carbon tetrafluoride were added to a 250 mL round bottomed flask and heated with reflux for 12 hours in nitrogen. The mixture was allowed to cool down and then filtered. The filtrate was washed by deionized water repeatedly. The organic fraction was dried over anhydrous magnesium sulfate and then concentrated by a rotary evaporator. The concentrate was further purified by re-crystallization to produce a white solid. The yield was 71% with the following structure.

1. temperatureheated
2. temperaturewith reflux for 12 hours in nitrogen
3. temperatureto cool down
4. filtrationfiltered
5. washThe filtrate was washed by deionized water repeatedly
6. dry with materialThe organic fraction was dried over anhydrous magnesium sulfate
7. concentrationconcentrated by a rotary evaporator
8. customThe concentrate was further purified by re-crystallization
9. customto produce a white solid