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Cu(Ac)2-Co(Ac)2-KBr催化SPC氧化对甲基苯甲醚
引用本文:杜曦,周锡兰,王钦,甘仲霖.Cu(Ac)2-Co(Ac)2-KBr催化SPC氧化对甲基苯甲醚[J].桂林工学院学报,2009,29(1):124-127.
作者姓名:杜曦  周锡兰  王钦  甘仲霖
作者单位:1. 泸州医学院基础医学院,四川,泸洲,646000
2. 泸州医学院公共卫生系,四川,泸洲,646000
摘    要:研究了无机复合催化剂催化SPC氧化对甲基苯甲醚的反应性能:以Cu(Ac)2-Co(Ac)2-KBr为催化剂,利用过碳酸钠氧化对甲酚甲基化产物对甲基苯甲醚,系统研究了催化剂组成比例、催化剂用量、溶剂、反应温度、反应时间等因素对反应的影响,结果表明,Cu(Ac)2-Co(Ac)2-KBr具有较高的催化活性和选择性,体现出金属离子之间的协同作用,对甲基苯甲醚在m(Cu(Ac)2):m(Co(Ac)2):m(KBr)=0.1:0.5:0.1(质量比),n催化剂:n底物=0.14,冰醋酸作溶剂,稍过量的过碳酸钠,65℃条件下的转化率可达45.9%,生成对甲氧基苯甲醛的选择性为68.3%。提出了氧化反应的H原子转移机理。

关 键 词:过碳酸钠  Cu(Ac)2-Co(Ac)2-KBr  对甲基苯甲醚  对甲氧基苯甲醛  催化氧化

Catalytic Oxitation of SPC for p-Methyl Anisole by Cu(Ac)2/Co(Ac)2/KBr
DU Xi,ZHOU Xi-lan,WANG Qin,GAN Zhong-lin.Catalytic Oxitation of SPC for p-Methyl Anisole by Cu(Ac)2/Co(Ac)2/KBr[J].Journal of Guilin University of Technology,2009,29(1):124-127.
Authors:DU Xi  ZHOU Xi-lan  WANG Qin  GAN Zhong-lin
Affiliation:a.Preclinical Medical Institute;b.Department of Public Health;Luzhou Medical College;Luzhou 646000;China
Abstract:To study the performance of inorganic composite catalyst for the SPC oxidation of p-methyl anisole,Cu(Ac)2-Co(Ac)2-KBr is used as catalyst of sodium percarbonate oxidation for p-methyl anisole synthesized by paracresol methylating.Effect of reaction conditions,such as the factors of catalyst composition,catalyst quantity,solvent,reaction temperature and time on oxidation of p-methyl anisole,is investigated.Cu(Ac)2-Co(Ac)2-KBr with high catalytic activity and selectivity shows synergistic effect between meta...
Keywords:Cu(Ac)2-Co(Ac)2-KBr
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