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在一水硫酸氢钠存在下 ,由乙醇和丁二酸合成了丁二酸二乙酯。当丁二酸、乙醇和硫酸氢钠的物质的量比为 1∶ 6∶ 0 .2 ,环己烷为溶剂 ,回流分水 5 0 m in,酯收率达 80 .5 %
Diethyl succinate was synthesized from ethanol and succinic acid in the presence of sodium bisulfate monohydrate. When the molar ratio of succinic acid, ethanol and sodium bisulfate is 1: 6: 0.2, cyclohexane is used as the solvent, the water fraction is refluxed for 50 min, the yield of the ester reaches 80.5%