Thionyl Chloride → HCID 21930283, compound

Participants

Reaction Steps

5-Bromo-2-(4-trifluoromethoxy-benzenesulfonylamino)-benzoic acid (3.27 g, 7.4 mmol) was suspended in thionyl chloride (30 mL). The mixture was heated to reflux for 4 hours. The solvent was removed to dryness. The residue was dissolved in anhydrous ethyl acetate and solvent removed (2×20 mL). The solid was dried at 40° C. in vacuum oven overnight.

Provenance & Evidence