| 微波辐射下以MCM-48负载磷钨杂多酸催化合成苯甲醛乙二醇缩醛 |
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| 引用本文： | 段爱红,王帮进,顾桦南. 微波辐射下以MCM-48负载磷钨杂多酸催化合成苯甲醛乙二醇缩醛[J]. 云南化工, 2009, 36(5): 13-15 |
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| 作者姓名： | 段爱红 王帮进 顾桦南 |
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| 作者单位： | 云南师范大学,化学化工学院,云南,昆明,650092 |
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| 摘 要： | 用介孔载体负载磷钨杂多酸作催化剂,在微波辐射下催化合成了苯甲醛乙二醇缩醛,考察了微波辐射功率、微波辐射时间、催化剂种类、原料配比、催化剂用量对产率的影响。实验表明:当微波辐射输出功率为600W,反应温度为80℃,辐射时间为10 m in,催化剂用量约为反应物总质量的2%,n(苯甲醛)∶n(乙二醇)=1∶1.5,产率可达75.61%。
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| 关 键 词： | 苯甲醛乙二醇缩醛 微波辐射 磷钨杂多酸 介孔载体 催化 |
Catalytic Synthesis of Benzaldehyde Glycol Acetal with H3PW12O40/MCM-48 as Catalyst under Microwave Irradiation |
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| DUAN Ai-hong,WANG Bang-jin,GU Hua-nan. Catalytic Synthesis of Benzaldehyde Glycol Acetal with H3PW12O40/MCM-48 as Catalyst under Microwave Irradiation[J]. Yunnan Chemical Technology, 2009, 36(5): 13-15 |
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| Authors: | DUAN Ai-hong WANG Bang-jin GU Hua-nan |
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| Affiliation: | ( College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650092,China) |
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| Abstract: | Benzaldehyde glycol acetal was synthesized under microwave irradiation with phosphotungstic heteropolyacid loaded on mesoporous framework of MCM-48 as catalyst. The influence of power and time of microwave irradiation, reactant recipes, the amount and the variety of catalyst on the product yield was investigated. The experimental results showed that when microwave irradiation power and time were 600 W and 10 min, a yield of75.61% for benzaldehyde glycol acetal could be obtained with 2% catalyst and the molar ratio of benzaldehyde/glycol = 1/1. 5 at temperature 80℃. |
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| Keywords: | benzaldehyde glycol acetal microwave irradiation phosphotungstic heteropolyacid mesoporous framework catalysis |
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