| 硫酸氢钠催化合成草酸二乙酯的研究 |
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| 引用本文： | 樊素芳,金秋,王彩霞. 硫酸氢钠催化合成草酸二乙酯的研究[J]. 河南科学, 2009, 27(1): 34-35 |
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| 作者姓名： | 樊素芳 金秋 王彩霞 |
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| 作者单位： | 河南农业大学理学院,郑州,450002;河南农业大学理学院,郑州,450002;河南农业大学理学院,郑州,450002 |
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| 摘 要： | 以硫酸氢钠为催化剂，甲苯为带水剂，以结晶草酸和乙醇为原料直接酯化合成草酸二乙酯．通过实验得出了最佳反应条件：醇酸物质的量之比为4，催化剂用量为总投料量的5％，反应时间5h．在此条件下得到了较好的收率．
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| 关 键 词： | 草酸二乙酯 硫酸氢钠 带水剂 催化合成 |
Study on Synthesis of Diethly Oxalate by Catalysis of Sodium Hydrogen Sulfite |
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| Fan Sufang,Jin Qiu,Wang Caixia. Study on Synthesis of Diethly Oxalate by Catalysis of Sodium Hydrogen Sulfite[J]. Henan Science, 2009, 27(1): 34-35 |
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| Authors: | Fan Sufang Jin Qiu Wang Caixia |
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| Affiliation: | College of Science;Henan Agricultural University;Zhengzhou 450002;China |
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| Abstract: | The paper reported a method of diethyl oxalate’s synthesis:Using sodium hydrogen sulfite as a catalyst,methylbenzene as a water bringer,diethyl oxalate is synthesized from oxalic acid and ethanol. We found the optimal conditions by testing. The optimal conditions are as follows:The amount of substance ratio of alcohol to acid 4,mass ratio of catalyst 5 % ,time of reaction 5 h. Under the optimal conditions,the yield of diethyl oxalate is high. |
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| Keywords: | diethyl oxalate sodium hydrogen solfite water bringer catalytic synthesis |
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