[Cl:1][C:2]1[CH:10]=[C:6]([C:7]([OH:9])=[O:8])[C:5]([NH2:11])=[CH:4][CH:3]=1.CO.[NH3:14]>>[Cl:1][C:2]1[CH:10]=[C:6]([C:7]([O-:9])=[O:8])[C:5]([NH2:11])=[CH:4][CH:3]=1.[NH4+:14]In a 50 mL volume glass vessel equipped with a stirrer and a thermometer were placed 5.0 g (29.1 mmol) of 5-chloroanthranilic acid and 20 mL (156 mmol) of 15 wt. % ammonia methanol solution. The reaction was carried out for 2 hours at room temperature. After the reaction was complete, the reaction mixture was concentrated under reduced pressure, to obtain 5.0 g (isolated yield: 95%) of ammonium 5-chloroanthranilate as pale yellow solid.
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