反应详情

To a stirred mixture of 5.2 g of the above benzamide, 100 ml of methanolic ammonia and 100 ml of methanol was added dropwise, in increments, 20 ml of 30% hydrogen peroxide. After stirring 48 hours, the solid was collected, partially dissolved in 400 ml of hot acetonitrile and filtered. The filtrate was chilled, giving 0.5 g of the desired product as white crystals, mp 242°-244° C. (dec.).

1. customthe solid was collected
2. dissolutionpartially dissolved in 400 ml of hot acetonitrile
3. filtrationfiltered
4. temperatureThe filtrate was chilled