反应详情

温度

0 °C

40 g of 4-bromotoluene are slowly introduced into 250 ml of chlorosulfonic acid at −10° C. with stirring. The mixture is stirred at this temperature for 30 minutes, allowed to warm to 0° C. and poured on to excess ice. The product is filtered off with suction and washed with a little water. It is dried over P4O10 in vacuo and 63 g of a colorless solid are obtained, which is directly reacted further.

1. stirringThe mixture is stirred at this temperature for 30 minutes
2. additionpoured on to excess ice
3. filtrationThe product is filtered off with suction
4. washwashed with a little water
5. dry with materialIt is dried over P4O10 in vacuo and 63 g of a colorless solid
6. customare obtained
7. customwhich is directly reacted further