Catalytic Synthesis of pMethoxy Acetophenone with Modification Catalyst HMS by Phosphotungstic Acid

Journal of Liaoning Petrochemical University ›› 2013, Vol. 33 ›› Issue (2): 1-5.

Catalytic Synthesis of pMethoxy Acetophenone with Modification Catalyst HMS by Phosphotungstic Acid

ZHOU Xiao¹， ZHANG Yazhou¹， WNAG Wei¹, LIU Xiangdong², CHEN Ping^1*

1.School of Chemistry and Materials Science，Liaoning Shihua University，Fushun Liaoning 113001，China; 2.China Petroleum Fushun Petrochemical Co., Fushun Liaoning 113008

Received:2012-12-26 Published:2013-06-25 Online:2017-07-14

磷钨酸原位改性HMS催化苯甲醚乙酰化反应

周晓¹,张亚洲¹,王伟¹,刘向东²,陈平^1*

1.辽宁石油化工大学化学与材料科学学院,辽宁抚顺113001;2.中国石油抚顺石化公司,辽宁抚顺113008

作者简介:周晓(1985-),男,山东泰安市,在读硕士
基金资助:
辽宁省自然科学基金(201202128

Abstract

Abstract: The modification solid catalyst HMS by phosphotungstic acid was prepared by insitu synthesis from DDA, TEOS, and phosphotungstic acid, and applied in pMethoxy acetophenone production with the FriedelCrafts acylation reaction of phenyl methyl ether and Acetic anhydride.The factors including reaction temperature, reaction time, catalyst amount, reactants molar ratio phenyl methyl ether to Acetic anhydride on the FriedelCrafts acylation reaction were investigated. The experimental effects show that solid acid catalyst HMS has high catalytic activity.The acylation reaction conversion can reach 83.1% and the selectivity of pMethoxy acetophenone production is 97.3% under the following optimal conditions: reaction temperature of 100 ℃, reaction time of 4 h, amount catalyst of 0.15 g, molar ratio of n( anisole)∶n(acetic anhydride) =1∶1.5.

Key words: Phosphotungstic acid , Modification , Solid catalyst HMS , Friedel-Crafts acylation reaction

摘要： 以正十二胺(DDA)为模板剂、正硅酸四乙酯(TEOS)为硅源、磷钨酸(HPW)为活性组分,经原位合成
法制备了HPW 改性的介孔材料HMS(HPW灢HMS),并以此催化剂催化苯甲醚与乙酸酐发生傅灢克(Friedel灢Crafts)
酰基化反应合成对甲氧基苯乙酮,对催化剂进行了XRD 和IR 表征,研究了催化剂制备方法、脱除模板剂的方式以
及催化反应条件,考察反应温度、反应时间、催化剂质量、反应物的物质的量等对苯甲醚转化率和主产物对甲氧基苯
乙酮选择性的影响。实验结果表明,固体催化剂HPW灢HMS在此反应中具有较高的催化活性,当反应温度100 曟,
反应时间4h,催化剂质量0.15g,原料物质的量比n(苯甲醚)暶n(乙酸酐)=1暶1.5时,苯甲醚转化率达到83.1%,
对甲氧基苯乙酮选择性达97.3%。

关键词: 磷钨酸 , 改性 , 催化剂HMS , 傅-克酰基化反应

ZHOU Xiao, ZHANG Yazhou,WNAG Wei, LIU Xiangdong, CHEN Ping. Catalytic Synthesis of pMethoxy Acetophenone with Modification Catalyst HMS by Phosphotungstic Acid[J]. Journal of Liaoning Petrochemical University, 2013, 33(2): 1-5.

周晓,张亚洲,王伟,刘向东,陈平. 磷钨酸原位改性HMS催化苯甲醚乙酰化反应[J]. 辽宁石油化工大学学报, 2013, 33(2): 1-5.

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