反应详情

To a stirred mixture of 9.3 g of the above benzamide, 100 ml of methanolic ammonia and 100 ml of methanol was added dropwise 10 ml of 30% hydrogen peroxide over 3 minutes. When the exotherm subsided to 40° C., 15 ml of 30% hydrogen peroxide was added. The mixture was stirred overnight, the solid collected, partially dissolved in 800 ml of hot acetonitrile filtered and the filtrate chilled, giving 1.4 g of the desirred product as white crystals, mp 238°-239° C. (dec.).

1. customsubsided to 40° C.
2. customthe solid collected
3. dissolutionpartially dissolved in 800 ml of hot acetonitrile
4. filtrationfiltered
5. temperaturethe filtrate chilled