Hydrochloric Acid → HCID 68109525, compound

Participants

Reaction Conditions

Reaction Steps

3-(4-methoxy-3-methylsulfonyl-5-trifluoromethylbenzoyl)-1,1-dioxo-2,3-dihydro-1,3-benzothiazole (305 mg) was dissolved in N,N-dimethylformamide (3 mL), and lithium chloride (288 mg) was added to the solution, and then the mixture was stirred at 70° C. for 1 hour. To the reaction solution, 1N hydrochloric acid was added, and then the mixture was extracted with ethyl acetate. The organic layer was washed with water, 1N hydrochloric acid and saturated brine, and then dried over anhydrous sodium sulfate. The solvent was distilled off under reduced pressure to obtain the title compound (288 mg) as a colorless crystal.

Provenance & Evidence