Application of 4-bromo-2-chlorobenzenesulfonamide_Kain Industrial Additive

background and overview 4-bromo-2-chlorobenzenesulfonamide is an amine derivative that can be used as a pharmaceutical intermediate. preparation[1] to a solution of 4-bromo-2-chlorobenzenesulfonyl chloride (2.50g, 8.45mmol) in thf (25ml) was added a solution of ammonia (25%, 6.3ml, 84.5mmol). the reaction mixture was stirred at room temperature for 4 hours. add ethyl acetate (70 ml) and water…