反应详情

The product from Example 21d (0.67 g, 3.36 mmol) and the product from Example 9c (0.78 g, 3.36 mmol) in 10 mL ethanol were heated under reflux for 5.5 hr. The reaction mixture was cooled to room temperature and the solvent was removed concentrated under vacuum leaving yellow solid that was used without further purification (1.43 g, 100%).

1. temperatureunder reflux for 5.5 hr
2. customthe solvent was removed
3. concentrationconcentrated under vacuum
4. customleaving yellow solid that
5. customwas used without further purification (1.43 g, 100%)