| CO羰基化合成3,4-二甲基苯甲醛的反应机理研究 |
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| 引用本文： | 吴雨龙,王为国,陈苏芳,王存文. CO羰基化合成3,4-二甲基苯甲醛的反应机理研究[J]. 广东化工, 2006, 33(12): 17-20 |
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| 作者姓名： | 吴雨龙 王为国 陈苏芳 王存文 |
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| 作者单位： | 武汉工程大学,化工与制药学院,湖北,武汉,430074;武汉工交职业学院,环境与化学工程系,湖北,武汉,430205;武汉工程大学,化工与制药学院,湖北,武汉,430074 |
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| 摘 要： | 本文分析了邻二甲苯和CO为原料羰基化合成3,4-二甲基苯甲醛的产物组成,指出在无水AlCl3的催化作用下苯环上甲基的脱落和重排是异构体众多,3,5-二甲基苯甲醛含量最多的根本原因,并据此提出了该反应的机理。
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| 关 键 词： | 3 4-二甲基苯甲醛 5-二甲基苯甲醛 机理 重排 |
| 收稿时间： | 2006-08-31 |
| 修稿时间： | 2006-08-31 |
Studies on the Reaction Mechanism of CO-carbonylating Synthesis of 3,4-dimethylbenzaldehyde |
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| Wu Yulong,Wang Weiguo,Chen Sufang,Wang Cunwen. Studies on the Reaction Mechanism of CO-carbonylating Synthesis of 3,4-dimethylbenzaldehyde[J]. Guangdong Chemical Industry, 2006, 33(12): 17-20 |
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| Authors: | Wu Yulong Wang Weiguo Chen Sufang Wang Cunwen |
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| Affiliation: | 1. Department of Chemical Engineering and Pharmaceutics Engineering, Wuhan Institute of Technology, Wuhan 430074; 2. Department of Environmental and Chemical Engineering, Wuhan Polytechnic College of Industry and Communication, Wuhan 430205, China |
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| Abstract: | The composition of products derived from the carbonylating synthesis of 3,4-dimethylbenzaldehyde with o-xylene and CO as the raw materials were analyzed.In the reaction,various isomers are generated and 3,5-dimethylbenzaldehyde has the highest content,as fundamentally originates from the break-off and rearrangement of methyls in the benzene ring under the catalysis of anhydrous AlCl3.Based on this,the mechanism of this reaction was proposed. |
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| Keywords: | 3 4-dimethylbenzaldehyde 3 5-dimethylbenzaldehyde mechanism rearrangement |
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