Dichloromethane → 2-Butyl-3-dimethylaminosulfonylimidazole

Participants

Reaction Conditions

Reaction Steps

12.4 g of butylimidazole and 13.3 g of N,N-dimethylsulfamoyl chloride were introduced into 200 ml of methylene chloride, and 9.7 g of triethylamine was added at room temperature. The mixture was stirred for 20 hours at room temperature and for 2 hours at 40° C., 200 ml of water was added and the phases were separated. The organic phase was washed with water, dried with Na2SO4 and concentrated by evaporation to give 22.2 g of product in the form of a red oil. The yield was 96 percent. Other data concerning the product was:

Provenance & Evidence