Copper catalyzed oxidation of 2,3,6-trimethylphenol by oxygen

被引：0

作者：

Feng Z.-P. ^{[1
]}

Li R.-Y. ^{[1
]}

Huang J. ^{[1
]}

机构：

[1] Nanjing Tech University, College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing

来源：

Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities | 2020年 / 34卷 / 06期

关键词：

2,3,6-trimethylphenol; Copper catalyst; Oxidation; Oxygen;

D O I：

10.3969/j.issn.1003-9015.2020.06.016

中图分类号：

学科分类号：

摘要：

Vitamin E is a widely used in medical and animal medicine. The oxidation of 2,3,6-trimethylphenol (TMP) can produce 2,3,5-trimethyl-1,4-benzoquinone (TMQ) and 2,3,5-trimethyl-1,4-hydroquinone (TMHQ), i.e. the key intermediates of vitamin E. Copper catalysts were prepared at different pyrolyzation temperatures and applied to catalyze the TMP oxidation to TMQ and TMHQ under mild conditions. The characteristics of the copper catalyst were carried out using a series of characterization methods. The copper catalyst Cu@CN-700-2h was found to be Cu metal coated with thin layer of Cu2O supported on the N hybrid carbon materials. The results show high TMP conversion (99.0%) and high selectivity of TMQ and TMHQ (62.9% and 37.1% respectively) with 25.0 mg Cu catalyst under 40 ℃ and 0.25 MPa oxygen pressure in acetonitrile. The catalyst Cu@CN-700-2h could be reused more than 5 times without deactivation. © 2020, Editorial Board of "Journal of Chemical Engineering of Chinese Universities". All right reserved.

引用

页码：1452 / 1459

页数：7

共 29 条

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