反应详情

温度

50 °C

Indan-1,2-dione-2-oxime (35 g, 0.22 mol) was added to a solution of 402.5 ml 8% NaOH, and the mixture was heated to 50° C. Then p-toluenesulfonyl chloride (54.25, 0.28 mol) was added in portions to the mixture, and the mixture was heated at 80° C. for 15 min. After cooled to room temperature, the precipitate was removed from the mixture. The filtrate was acidified with concentrated HCl to pH=3-4 and the precipitate was collected and dried to give colorless solid (26 g, 74% yield). LC-MS: 162 (MH+)

1. temperaturethe mixture was heated at 80° C. for 15 min
2. temperatureAfter cooled to room temperature
3. customthe precipitate was removed from the mixture
4. customthe precipitate was collected
5. customdried