反应详情

The compound of example 671 (3 g, 7.79 mmol) was taken in acetonitrile and to the reaction mixture, potassium carbonate (3.25 g, 23.37 mmol) was added followed by the addition of valine methyl ester (1.56 g, 9.35 mmol). The reaction mixture was refluxed for about 16 h and water was added to quench the reaction. The aqueous mixture was extracted with ethyl acetate to obtain a crude material, which was purified using column chromatography (silicagel, 30% ethyl acetate in petroleum ether).

1. additionwas added
2. temperatureThe reaction mixture was refluxed for about 16 h
3. customto quench
4. customthe reaction
5. extractionThe aqueous mixture was extracted with ethyl acetate