反应详情

温度

50 °C

38.9 g of N-methylsulphonyl-4-nitroaniline are dissolved in 2.0 l of acetone, 51.9 g of 1-chloro-2-dimethylamino-ethane, 77.4 g of potassium carbonate and 5.0 g of sodium iodide added and the mixture is stirred for a total of 4 days at 50° C., adding, after 12 hours, a further 25.9 g of 1-chloro-2-dimethylamino-ethane, 49.8 g of potassium carbonate and 5.0 g of sodium iodide in 500 ml of acetone and, after 36 hours, a further 26.0 g of 1-chloro-2-dimethylamino-ethane, 50.0 g of potassium carbonate and 5.0 g of sodium iodide in 100 ml of acetone. After this time the mixture is filtered and the filtrate is evaporated down. The residue is stirred with ether, suction filtered and dried at 40° C.

1. additionadding, after 12 hours
2. filtrationAfter this time the mixture is filtered
3. customthe filtrate is evaporated down
4. stirringThe residue is stirred with ether, suction
5. filtrationfiltered
6. customdried at 40° C.