反应详情

The product (0.867 g) obtained in the above (2) is dissolved in dichloromethane (15 ml), and thereto are added methanol (1.5 ml), 4-dimethylaminopyridine (34 mg) and WSC.HCl (0.633 g) under ice-cooling. The mixture is stirred under ice-cooling for two hours, and then stirred at room temperature for 12 hours. The mixture is concentrated under reduced pressure to the volume of about 5 ml, and the residue is poured into water.

1. temperaturecooling
2. temperaturecooling for two hours
3. stirringstirred at room temperature for 12 hours
4. concentrationThe mixture is concentrated under reduced pressure to the volume of about 5 ml
5. additionthe residue is poured into water