| 杂多酸盐异构体催化合成丁酸正戊酯 |
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| 引用本文： | 肖英慧,邬洪源,董媛媛,马荣华.杂多酸盐异构体催化合成丁酸正戊酯[J].高师理科学刊,2009,29(1). |
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| 作者姓名： | 肖英慧 邬洪源 董媛媛 马荣华 |
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| 作者单位： | 齐齐哈尔大学,化学与化学工程学院,黑龙江,齐齐哈尔,161006 |
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| 摘 要： | 研究了以(α,β1,β2,β3-)SiW11Co为催化剂催化合成丁酸正戊酯,探讨了各种因素对产品收率的影响.实验表明,β2-SiW11Co具有较好的催化活性,以β2-SiW11Co为催化剂,适宜反应条件是醇酸比为1.8︰1,反应时间为1.5 h,催化剂用量为反应物料总量的2.3%,反应温度为125～135℃,在此条件下,产品收率为85.1%.
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| 关 键 词： | 异构体 丁酸正戊酯 催化 |
Catalytic synthesis of n-amyl butyrate by isomerization of heteroploy acid |
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| XIAO Ying-hui,WU Hong-yuan,DONG Yuan-yuan,MA Rong-hua.Catalytic synthesis of n-amyl butyrate by isomerization of heteroploy acid[J].Journal of Science of Teachers＇College and University,2009,29(1). |
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| Authors: | XIAO Ying-hui WU Hong-yuan DONG Yuan-yuan MA Rong-hua |
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| Institution: | School of Chemistry and Chemical Engineering;Qiqihar University;Qiqihar161006;China |
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| Abstract: | The esterification of n-amyl butyrate by using isomerization of heteropoly acid as catalyst was studied.β 2-SiW11Co is an excellent catalyst and the factors influencing the synthesis were discussed.The optimum conditions are as follows molar ratio of n-amyl to butyl acid is 1.8︰1,the reaction time is 1.5 h,the quantity of catalyst is equal to 2.3% of feed stock,and the reaction temperation is 125～135℃.At optimal reactions conditions,its yield can reach 85.1%. |
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| Keywords: | isomerization n-amyl butyrate catalysia |
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