Synthesis of Cinnamic Acid From Sty rene and Carbon Tetrachloride

Journal of Liaoning Petrochemical University ›› 2005, Vol. 25 ›› Issue (1): 9-12.

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Synthesis of Cinnamic Acid From Sty rene and Carbon Tetrachloride

School of Petrochemical Technology , Liaoning University of Petroleum & Chemical Technology ,
Fushun Liaoning 113001, P .R .China

Received:2004-04-22 Published:2005-03-20 Online:2017-04-14

苯乙烯和四氯化碳合成肉桂酸

任立国, 高文艺, 赵崇峰

辽宁石油化工大学石油化工学院, 辽宁抚顺113001

作者简介:任立国(1963 -), 男, 山东郓城县, 教授, 硕士。

Abstract

Abstract:

CuCl/γ-Al₂O₃ and CuO/γ-Al₂O₃ catalysts w ere prepared by impregnation method .The 1, 3, 3 , 3 -tetrachloropropyl benzene (I)was sy nthesized from the addition reaction of CCl₄ and styrene in the catalyst system combining CuCl/γ-Al₂O₃ and CuO/γ-Al₂O₃as well as pyridine.The optimum activation temperatures of CuCl/γ-Al₂O₃ and CuO/γ-Al₂O₃ are 650 ℃ and 750 ℃,respectively.When the mass fraction of CuCl and CuO are 20.0 % and 10 .0%, respectively , the yields of 1, 3 , 3 , 3 -tetrachloropropyl benzene(I)are 62 .8 % and 70 .3 %, respectively .In the acetic acid , the 1, 3 , 3 , 3-te trachloropropyl benzene(I) was hydrolyzed to give cinnamic acid(II)catalyzed with p -CH₃ -C₆H₄SO₃H -H₂SO₄ , FeCl₃·6H₂O, Fe₂(SO₄)₃·7H₂O , ZnCl₂,ZnSO₄ , and so on, the yields are 87.0 %, 48.0%, 84 .4%, 77 .4 % and 87.1%, respectively .The purities of 1, 3 , 3 , 3 -tetrachloropropyl benzene(I) and cinnamic acid(I I) are 96.0 %～ 99 .0 %.

Key words: Addition reaction, , Hy droly sis , , 1, 3, 3, 3-tetrachloropropy l benzene , , Cinnamic acid

摘要： 通过浸渍法制备了CuCl/γ-Al₂O₃ 和CuO/γ-Al₂O₃ 催化剂。在CuCl/γ-Al₂O₃ 和CuO/γ-Al₂O₃ 分别与吡啶组成的催化体系中, 苯乙烯和四氯化碳发生加成反应, 生成1,3 , 3, 3-四氯丙基苯(I)。当CuCl/γ-Al₂O₃ 和CuO/γ-Al₂O₃ 最佳活化温度分别为650 ℃和750 ℃, CuCl 和CuO 的负载质量分数分别为20.0 %和10 .0%时,1, 3, 3 , 3-四氯丙基苯(I)的收率分别为62.8%和70.3%。在对甲苯磺酸-硫酸、FeCl₃·6H₂O、Fe₂(SO₄)₃·7H₂O、ZnCl₂ 和硫酸锌等酸性催化剂存在的情况下, 1, 3 , 3, 3 -四氯丙基苯(I)在醋酸溶液中水解生成肉桂酸(II), 收率分别为87.0 %、48.0%、84 .4%、77 .4%和87 .1%。1, 3 , 3, 3 -四氯丙基苯(I)和肉桂酸(II)的纯度为96 .0%～ 99.0 %。

关键词: 加成反应, , 水解, , 1, 3, 3, 3 -四氯丙基苯, , 肉桂酸

REN Li -guo,GAO Wen -yi,ZHAO Chong -feng. Synthesis of Cinnamic Acid From Sty rene and Carbon Tetrachloride[J]. Journal of Liaoning Petrochemical University, 2005, 25(1): 9-12.

任立国, 高文艺, 赵崇峰. 苯乙烯和四氯化碳合成肉桂酸[J]. 辽宁石油化工大学学报, 2005, 25(1): 9-12.

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Synthesis of Cinnamic Acid From Sty rene and Carbon Tetrachloride

苯乙烯和四氯化碳合成肉桂酸

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