4-Bromo-3-methylisoxazol-5-amine → HCID 23445513, compound

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Reaction Steps

N-14-bromo-3-methyl-5-isoxazolyl)-5-(1-naphthyl)thiophene-sulfonamide N-(4-bromo-3-methyl-5-isoxazolyl)-5-(1-naphthyl)thiophene-sulfonamide was prepared in the same manner as described in Example 2. Reaction of 2-chlorosulfonyl-5-(1-naphthyl)thiophene (200 mg, 0.65 mmol) with 5-amino-4-bromo-3-methylisoxazole (0.65 mmol), after purification by column chromatography using 1% MeOH/CHCl3, gave 65.3 mg of pure N-(4-bromo-3-methyl-5-isoxazolyl)-5-(1-naphthyl)thiophene-sulfonamide as a brown solid, (22% yield, m.p. 118° C.).

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