Potassium Hydroxide → HCID 15453202, compound

Participants

Reaction Conditions

Reaction Steps

N-Benzenesulfonyl-N-(3-methyl-4-phenyl-5-isoxazolyl)benzenesulfonamide (300 mg, 0.66 mmol) was dissolved in methanol. Potassium hydroxide (300 mg, 5.5 mmol) was added and the solution was warmed to 45° C. to dissolve the sodium hydroxide. Stirring was continued for 20 min. Methanol was removed under reduced pressure. The residue was dissolved in water, cooled to 0° C. and acidified to pH 3-4 with concentrated HCl. The solid precipitate was extracted with ethyl acetate, dried and evaporated in vacuo to give 210 mg (100% yield) of N-(3-methyl-4-phenyl-5-isoxazolyl)benzenesulfonamide, which was further purified by recrystallization from ethyl acetate/hexanes, m.p. 124-126° C.

Provenance & Evidence