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Benzonitrile (5 g, 48 mmol) was dissolved in ethanol (100 ml) and treated with 50% aqueous hydroxylamine (16 ml, 242 mmol). Reaction was heated to reflux for 3 hours before concentration under reduced pressure to give a clear foam (4.5 g, 68%).

1. customReaction
2. temperaturewas heated
3. temperatureto reflux for 3 hours before concentration under reduced pressure