Continuous synthesis of anisole in microreactor system

被引:0
作者
Wang H. [1 ]
Wang D. [2 ]
Wang K. [1 ]
Luo G. [1 ]
机构
[1] Department of Chemical Engineering, State Key Laboratory of Chemical Engineering, Tsinghua University, Beijing
[2] Shandong Peninsula Engineering Research Center of Comprehensive Brine Utilization, Weifang University of Science and Technology, Weifang, 262700, Shandong
来源
Huagong Xuebao/CIESC Journal | 2019年 / 70卷 / 03期
关键词
Anisole; Continuous operation; Flow; Microreactor; Mixing; Synthesis;
D O I
10.11949/j.issn.0438-1157.20181246
中图分类号
学科分类号
摘要
Anisole is an important solvent and organic synthesis intermediate. In the past, it was synthesized by batch reaction, which has problems such as low production efficiency and long operation cycle. A continuous synthesis device and technology for anisole is highly required. A continuous-flow microreaction method using sodium phenolate solution and dimethyl sulfate as reactants was proposed. The microreactor employs micromixer and locally constructive reaction tube to enhance reactant mixing and the reaction was carried out at approximately adiabatic condition. The influences of sodiumphenolate concentration, reactant flow rate and molar ratio of phenolatetodimethyl sulfate on the sodium phenolate conversion and dimethyl sulfate utility were reported. A comparison with the batch reaction in the literatures was provided to show the advantage of microreaction technology. © All Right Reserved.
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页码:922 / 928
页数:6
相关论文
共 31 条
[1]  
Yadav G.D., Goel P.K., Joshi A.V., Alkylation of dihydroxybenzenes and anisole with methyl-tert-butyl ether (MTBE) over solid acid catalysts, Green Chemistry, 3, 2, pp. 92-99, (2001)
[2]  
Fiege H., Voges H.W., Hamamoto T., Et al., Phenol Derivatives, Ullmann's Encyclopedia of Industrial Chemistry, (2000)
[3]  
Jursic B., Synthetic application of micellar catalysis. Williamson's Synthesis of ethers, Tetrahedron, 44, 21, pp. 6677-6680, (1988)
[4]  
Achet D., Rocrelle D., Murengezi I., Et al., Reactions in slightly hydrated solid/liquid heterogeneous media: the methylation reaction with dimethyl sulfoxide, Synthesis, 1986, 8, pp. 642-643, (1986)
[5]  
Fu Z.H., Ono Y., Selective O-methylation of phenol with dimethyl carbonate over X-zeolites, Catalysis Letters, 21, 1-2, pp. 43-47, (1993)
[6]  
Hales N.J., Heaney H., Hollinshead J.H., Et al., The synthesis and assay of radiolabelled benzene derivatives, Tetrahedron, 51, 28, pp. 7741-7754, (1995)
[7]  
Fuhrmann E., Talbiersky J., Synthesis of alkyl aryl ethers by catalytic Williamson ether synthesis with weak alkylation agents, Organic Process Research & Development, 9, 2, pp. 206-211, (2005)
[8]  
Balfour W.J., The vibrational spectrum of anisole, Spectrochimica Acta Part A: Molecular Spectroscopy, 39, 9, pp. 795-800, (1983)
[9]  
Selva M., Perosa A., Green chemistry metrics: a comparative evaluation of dimethyl carbonate, methyl iodide, dimethyl sulfate and methanol as methylating agents, Green Chemistry, 10, 4, pp. 457-464, (2008)
[10]  
Bonino F., Damin A., Bordiga S., Et al., Dimethyl carbonate in the supercages of NaY zeolite: the role of local fields in promoting methylation and carboxymethylation activity, Angewandte Chemie International Edition, 44, 30, pp. 4774-4777, (2005)