反应详情

100 g maleic acid anhydride are dissolved in 1 liter dichloromethane and to this solution are added drop-wise 198 g of the 4-aminobenzenesulfonylazide (approximately 1 mol) prepared according to (3), dissolved in 400 ml dichloromethane. The reaction mixture is left standing for 2 hours at room temperature. The solution is then concentrated in a rotary evaporator to about 200 ml. The light brown product obtained is cooled, filtered, washed with a small amount of dichloromethane and finally dried.

1. customprepared
2. waitThe reaction mixture is left
3. concentrationThe solution is then concentrated in a rotary evaporator to about 200 ml
4. customThe light brown product obtained
5. temperatureis cooled
6. filtrationfiltered
7. washwashed with a small amount of dichloromethane
8. customfinally dried