Liquid-phase epoxidation of propylene with molecular oxygen by chloride manganese <i>meso</i>-tetraphenylporphyrins

Xian-Tai Zhou; Ling-Ling Wang; Yang Li; Hong-Bing Ji

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Liquid-phase epoxidation of propylene with molecular oxygen by chloride manganese meso-tetraphenylporphyrins

Updated：2026-01-06

- Liquid-phase epoxidation of propylene with molecular oxygen by chloride manganese meso-tetraphenylporphyrins
- Chinese Journal of Chemical Engineering Vol. 48, Issue 8, Pages: 61-65(2022)
- Affiliations：
  
  1. Fine Chemical Industry Research Institute, School of Chemical Engineering and Technology, Sun Yat-sen University,Zhuhai,China,519082
  2. Fine Chemical Industry Research Institute, School of Chemistry, Sun Yat-sen University,Guangzhou,China,510275
  3. School of Chemical Engineering, Guangdong University of Petrochemical Technology,Maoming,China,525000
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2022
- Accepted：
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-tetraphenylporphyrins[J]. 中国化学工程学报, 2022, 48(8): 61-65.
DOI：

-tetraphenylporphyrins[J]. 中国化学工程学报, 2022, 48(8): 61-65. DOI：

摘要

Abstract

Propylene molecule owns two active sites

the direct epoxidation of propylene by dioxygen is still a challenge due to the limitation of selectivity. In this work

the direct liquid-phase propylene aerobic epoxidation protocol by chloride manganese

meso

-tetraphenylporphyrin (MnTPPCl) was developed. The conversion of propylene was 12.7%

and the selectivity towards PO (propylene oxide) reached up to 80.5%. The formation of PO was attributed to the mechanism

via

high-valent Mn species

which was confirmed by means of

in situ

UV–vis spectrum.

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Liquid-phase epoxidation of propylene with molecular oxygen by chloride manganese meso-tetraphenylporphyrins

DOI：

摘要

Abstract

关键词

Keywords

references