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

作　　者：Xian-Tai Zhou Ling-Ling Wang Yang Li Hong-Bing Ji 

机构地区：[1]Fine Chemical Industry Research Institute,School of Chemical Engineering and Technology,Sun Yat-sen University,Zhuhai 519082,China [2]Fine Chemical Industry Research Institute,School of Chemistry,Sun Yat-sen University,Guangzhou 510275,China [3]School of Chemical Engineering,Guangdong University of Petrochemical Technology,Maoming 525000,China

出　　处：《Chinese Journal of Chemical Engineering》2022年第8期61-65,共5页中国化学工程学报（英文版）

基　　金：financially supported by the National Key Research and Development Program of China (2020YFA0210900);the National Natural Science Foundation of China (No. 21938001 and 21878344);Research and Innovation Team Construction Project of Guangdong University of Petrochemical Technology

摘　　要：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.

关 键 词：PROPYLENE EPOXIDATION DIOXYGEN Manganese porphyrins Liquid phase 

分 类 号：TQ223.26[化学工程—有机化工]