反应详情

In a similar manner as described in Example 1, by using dimethylformimide (15 mL), 5-amino-3-(2-chlorophenyl)isoxazol-4-carboxylic acid (440 mg, 1.84 mmol), 1-ethyl-3-(dimethylaminopropyl)carbodiimide hydrochloride (388 mg, 2.02 mmol), hydroxybenzotriazole (299 mg, 2.21 mmol) and 2-(piperazine-1-yl)phenol (328 mg, 1.84 mmol), a white solid required compound (518 mg, 1.30 mmol, 71%) was obtained.