| 三氟乙酸钕催化合成苯甲醛乙二醇缩醛 |
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| 引用本文： | 韩春玉,刘春生,罗根祥. 三氟乙酸钕催化合成苯甲醛乙二醇缩醛[J]. 辽宁石油化工大学学报, 2008, 28(2): 15-17 |
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| 作者姓名： | 韩春玉 刘春生 罗根祥 |
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| 作者单位： | 辽宁石油化工大学化学与材料科学学院,辽宁抚顺,113001;辽宁石油化工大学化学与材料科学学院,辽宁抚顺,113001;辽宁石油化工大学化学与材料科学学院,辽宁抚顺,113001 |
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| 摘 要： | 制备了三氟乙酸钕催化剂,并进行了表征定性分析。研究了三氟乙酸钕催化苯甲醛与乙二醇的缩醛化反应,考察了反应时间、醛醇比、催化剂用量、带水剂用量等因素对苯甲醛乙二醇缩醛收率的影响。实验结果表明,在回流条件下,醛醇摩尔比为1.1,催化剂质量为0.3 g,带水剂环己烷体积为8 mL,反应2.5 h后,缩醛收率可达到87.6%。
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| 关 键 词： | 苯甲醛乙二醇缩醛 合成 三氟乙酸钕 催化 |
Catalytic Synthesis of Benzylaldehyde Ethylene Glycol Acetal by Neodymium Trifluoroacetate |
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| HAN Chun-yu,LIU Chun-sheng,LUO Gen-xiang. Catalytic Synthesis of Benzylaldehyde Ethylene Glycol Acetal by Neodymium Trifluoroacetate[J]. Journal of Liaoning University of Petroleum & Chemical Technology, 2008, 28(2): 15-17 |
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| Authors: | HAN Chun-yu LIU Chun-sheng LUO Gen-xiang |
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| Affiliation: | School of Chemistry and Materials Science;Liaoning University of Petroleum & Chemical Technology;Fushun Liaoning 113001;P.R.China. |
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| Abstract: | The catalyst neodymium trifluoroacetate was prepared and characterized with qualitative analysis,then the acetalization of benzylaldehyde and ethylene glycol was studied with neodymium trifluoroacetate as a catalyst.The effect of reaction time,the molar ratio of benzylaldehyde to ethylene glycol,the amount of catalyst and water-carrying agent on the yield of benzylaldehyde ethylene glycol acetal was investigated.The results show that the optimal conditions for the reaction are as follows: benzylaldehyde/eth... |
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| Keywords: | Benzylaldehyde ethylene glycol acetal Synthesis Neodymium trifluoroacetate Catalysis |
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