反应详情

To a stirred mixture of 10 g of the above benzamide, 100 ml of methanolic ammonia and 100 ml of methanol was added dropwise 25 ml of 30% hydrogen peroxide, during 10 minutes. The mixture was stirred overnight, the solid was collected, and then partially dissolved in 500 ml of hot acetonitrile. The undissolved solid was collected, mixed with 100 ml of hot water and the solid collected, giving 4.3 g of the desired product as off-white crystals, mp 239°-241° C. (dec.).

1. customthe solid was collected
2. dissolutionpartially dissolved in 500 ml of hot acetonitrile
3. customThe undissolved solid was collected
4. additionmixed with 100 ml of hot water
5. customthe solid collected