反应详情

温度

90 °C

300 g of compound 5 are dissolved in 200 ml of acetic acid and 300 ml of 12N HCl. Stir at 90° C. for 2 hours and distill at least 400 ml of solvent. Cool to room temperature and add 1 L of water. Stir well for 2 hours and filter. Wash with water. Dry.

1. distillationdistill at least 400 ml of solvent
2. temperatureCool to room temperature
3. additionadd 1 L of water
4. stirringStir well for 2 hours
5. filtrationfilter
6. washWash with water
7. customDry