4-Bromo-3-methylisoxazol-5-amine → HCID 22998381, compound

Participants

Reaction Steps

N-(4-bromo-3-methyl-5-isoxazolyl)-5-(4-isopropylphenyl)thiophene-2-sulfonamide was prepared in the same manner as described in Example 2. Reaction of 5-chlorosulfonyl-2-(4-isopropylphenyl)thiophene (260 mg, 0.87 mmol) with 5-amino-4-bromo-3-methylisoxazole (161 mg, 0.91 mmol) yielded after flash chromatography using 10% MeOH/CHCl3 a pale brown solid (265 mg) which was further purified using preparative HPLC to give the pure sulfonamide as a light tan colored solid, m.p. 114-116° C.

Provenance & Evidence