| KHSO4催化合成缩醛(酮)的研究 |
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| 引用本文： | 梁学正,高珊,于心玉,刘彩华,杨建国.KHSO4催化合成缩醛(酮)的研究[J].化工中间体,2006(4):1-3. |
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| 作者姓名： | 梁学正 高珊 于心玉 刘彩华 杨建国 |
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| 作者单位： | 华东师范大学化学系,上海市绿色化学与化工过程绿色化重点实验室,上海,200062 |
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| 摘 要： | 研究了KHSO4催化乙二醇与环己酮、丁酮、丙酮、丙醛、丁醛、异丁醛、戊醛、异戊醛、正己醛、正辛醛、苯甲醛等十余种醛(酮)的缩合反应.考察了反应时间、醛(酮)与醇的配比、KHSO4用量等因素对醛(酮)与醇缩合反应的影响.结果表明,当醛(酮)与乙二醇摩尔比为1:1.4,催化剂用量为2g/1mol醛(酮),反应2h,选择性一般在98%以上,转化率也一般在90%以上,表明,KHSO4对醛(酮)与醇的缩合反应有较好的催化性能.
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| 关 键 词： | KHSO4 缩醛(酮) 乙二醇 合成 催化剂 |
| 文章编号： | 1006-253x(2006)04-001-3 |
Synthesis of Acetals and Ketals Catalyzed by KHSO4 |
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| Authors: | Liang Xuezheng Gao Shan Yu Xinyu Liu Caihua Yang Jianguo |
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| Affiliation: | Shanghai Key Laboratory of Green Chemistry and Chemical Process, Chemistry of Department, East China Normal University, Shanghai 200062 |
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| Abstract: | The acetalization and ketalization of different aldehydes and ketones with glycol catalyzed by KHSO4were studied. Effect of reaction time,mole ratio of reactants and amount of catalyst on the yield of acetals (ketals) were considered. Results showed that KHSO4 was an efficient catalyst for the synthesis of acetals (ketals). |
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| Keywords: | KHSO_4 acetal ketal synthesis catalyst |
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