反应详情

A solution of the product obtained at 149e (1.4 g, 6.4 mmol) in 50 mL ethanol was heated to reflux for 2 h. The mixture was filtered and the filtrate concentrated i.vac. The residue is reacted without any further purification. Yield: 89%.

1. temperaturewas heated
2. temperatureto reflux for 2 h
3. filtrationThe mixture was filtered
4. concentrationthe filtrate concentrated i.vac
5. customThe residue is reacted without any further purification