| 活性炭负载对甲苯磺酸催化微波合成环己酮乙二醇缩酮 |
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| 引用本文： | 章爱华,尹笃林,刘文萍,彭志远.活性炭负载对甲苯磺酸催化微波合成环己酮乙二醇缩酮[J].光谱实验室,2009,26(5):1186-1189. |
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| 作者姓名： | 章爱华 尹笃林 刘文萍 彭志远 |
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| 作者单位： | 1. 吉首大学化学化工学院,湖南省吉首市人民南路120号,416000
2. 湖南师范大学化学化工学院,长沙市潇湘中路122号,410081 |
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| 摘 要： | 在微波辐射下,以活性炭负载对甲苯磺酸为非均相催化剂,不用溶剂,用环己酮和乙二醇为原料合成环己酮乙二醇缩酮。重点考察了酮醇物质的量比、催化剂用量、微波功率和辐射时间对产品收率的影响。实验结果表明,活性炭负载对甲苯磺酸有着良好的催化活性,当环己酮的加入量为0.2mol,n（环己酮）：n（乙二醇）=1：1.6,催化剂用量为反应物总质量的0.75%,微波功率450W,辐射时间4min时,缩酮收率可达76.7%,且催化剂重复使用6次仍保持较高活性。
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| 关 键 词： | 环己酮乙二醇缩酮 微波合成 活性炭 对甲苯磺酸 |
The Microwave Synthesis of Cyclohexanone Glycol Ketal Catalyzed by Activated Carbon Supported p-Toluene Sulphonic Acid |
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| ZHANG Ai-Hua,YIN Du-Lin,LIU Wen-Ping,PENG Zhi-Yuan.The Microwave Synthesis of Cyclohexanone Glycol Ketal Catalyzed by Activated Carbon Supported p-Toluene Sulphonic Acid[J].Chinese Journal of Spectroscopy Laboratory,2009,26(5):1186-1189. |
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| Authors: | ZHANG Ai-Hua YIN Du-Lin LIU Wen-Ping PENG Zhi-Yuan |
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| Institution: | College of Chemistry and Chemical Engineering;Jishou University;Jishou;Hunan 416000;P.R.China;College of Chemistry and Chemical Engineering;Hunan Normal University;Changsha 410081;P.R.China |
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| Abstract: | Cyclohexanone glycol ketal was synthesized from cyclohexanone and glycol using activated carbon supported p-toluene sulphonic acid as heterogeneous catalyst without solvent under microwave irradiation.The effects of different factors such as mole ratio of reactants,catalyst dosage, microwave irradiation power,microwave irradiation time on the yield of cyclohexanone glycol ketal were carefully investigated.The activated carbon supported p-toluene sulphonic acid exhibited excellently catalytic activity.The be... |
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| Keywords: | Cyclohexanone Glycol Ketal Microwave Synthesis Activated Carbon p-Toluene Sulphonic Acid |
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