反应详情

温度

70 °C

4.9 g of quinoline-6-carboxylic acid was stirred in 80 ml of ethanol. 40 ml of dioxane containing 4 M of hydrogen chloride was added to the obtained mixture. After stirring at 70° C. overnight, the solvent was evaporated and the residue was treated with ethyl acetate as the extracting solvent by an ordinary method to obtain the title compound.

1. customthe solvent was evaporated
2. additionthe residue was treated with ethyl acetate as the extracting solvent by an ordinary method