Oxidative Carbonylation of Methanol to Dimethyl Carbonate Over Cu(Ⅱ)-1, 10-Phenanthroline Bromide Complexes

Zhiping Du; Lihua Xiong; Zhikun Lin; Xuli Li; Yigang Ding; Yuanxin Wu

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Oxidative Carbonylation of Methanol to Dimethyl Carbonate Over Cu(Ⅱ)-1, 10-Phenanthroline Bromide Complexes

催化、动力学与反应工程 | Updated：2026-01-06

- Oxidative Carbonylation of Methanol to Dimethyl Carbonate Over Cu(Ⅱ)-1, 10-Phenanthroline Bromide Complexes
- Chinese Journal of Chemical Engineering Vol. 22, Issue 10, Pages: 1117-1121(2014)
- Affiliations：
  
  Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Chemical Reactor and Green Chemical Technology, Wuhan Institute of Technology,Wuhan,China,430073
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2014
- Accepted：
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Zhiping Du, Lihua Xiong, Zhikun Lin, Xuli Li, Yigang Ding, Yuanxin Wu. Oxidative Carbonylation of Methanol to Dimethyl Carbonate Over Cu(Ⅱ)-1, 10-Phenanthroline Bromide Complexes[J]. , 2014, 22(10): 1117-1121.
DOI：

Zhiping Du, Lihua Xiong, Zhikun Lin, Xuli Li, Yigang Ding, Yuanxin Wu. Oxidative Carbonylation of Methanol to Dimethyl Carbonate Over Cu(Ⅱ)-1, 10-Phenanthroline Bromide Complexes[J]. , 2014, 22(10): 1117-1121. DOI：

摘要

Abstract

In order to develop the catalysts with low corrosiveness for the oxidative carbonylation of methanol to dimethyl carbonate (DMC)

CuBr

was selected as the metal source to prepare Cu coordination compounds

Cu(phen)Br

[Cu(phen)

]

Br and [Cu(phen)

]

(phen = 1

10-phenanthroline). These complexes were characterized by thermogravimetric analysis and temperature-programmed reduction. Their catalytic performances were investigated. It was found that the metal coordination environments and thermal stability of the complexes played an important role in their catalytic activities. Cu(phen)Br

exhibited the highest activity due to the lowest steric hindrance

themost positions occupied by the bromide ions and the highest thermal stability. The turnover number was up to 47.6 DMC mol·(Cumol)

-1

with selectivity of 92.8% under conditions of 120 ℃

ratio of partial pressure of CO to O

of 19:1 (below the explosion limit of CO) and catalyst concentration of 0.011 mol·L

-1

. Furthermore

a plausible reaction mechanism was suggested on the basis of the experimental data.

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