题目
求翻译Ethyl acetate was added to the residue prepared by evaporation of the solvent, the mixture was
Ethyl acetate was added to the residue prepared by evaporation of the solvent, the
mixture was washed with water and then an organic layer was dried. Petroleum ether was added to the residue prepared by evaporation of the solvent and the crystals separated out therefrom were filtered to give the title compound
翻译器什么的就算了吧。。。弱爆了
Ethyl acetate was added to the residue prepared by evaporation of the solvent, the
mixture was washed with water and then an organic layer was dried. Petroleum ether was added to the residue prepared by evaporation of the solvent and the crystals separated out therefrom were filtered to give the title compound
翻译器什么的就算了吧。。。弱爆了
提问时间：2021-03-29
答案
溶剂经过蒸发后,渣体物质析出.在其中加入乙酸乙酯后的混合物经过水洗,会逐渐凝结一层有机层；而在其中加入石油醚,会有晶体析出,然后分离出少量化合物.
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