| 微波辐射下合成庚酸乙酯 |
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| 引用本文： | 马宏勋,董金龙.微波辐射下合成庚酸乙酯[J].应用化工,2010,39(3):417-419. |
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| 作者姓名： | 马宏勋 董金龙 |
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| 作者单位： | 1. 山西大学,化学化工学院,山西,太原,030006
2. 太原师范学院,化学系,山西,太原,030031 |
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| 摘 要： | 以对甲苯磺酸(PTSA)为催化剂运用微波辐射技术合成庚酸乙酯。其适宜的工艺条件为:酸醇物质的量比为1∶2.0,辐射时间5 min,辐射功率240 W,催化剂用量为2%(质量分数),产率可达89.6%以上。该条件下的反应速率是常规加热条件的30倍。
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| 关 键 词： | 微波辐射 庚酸乙酯 对甲苯磺酸 |
Synthesis of ethyl heptanoate under microwave irradiation |
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| Abstract: | Ethyl heptanoate was synthesized by microwave irradiation and p-toluenesulfonic acid as catalyst.The optimum technical conditions were as follows:molar ratio of heotanoic acid to ethyl alcohol is 1 ∶2.0,irradiation time is 5 min,microwave power 240 W,amount of catalyst is 2% and the yield is more than 89.6%.The reaction is 30 times faster under microwave irradiation than with conventional heating. |
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| Keywords: | microwave irradiation ethyl heptanoate p-toluenesulfonic acid |
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