Aliphatic Olefin Epoxidation with Hydrogen Peroxide Catalyzed by an Integrated Mn/TS-1/N System

被引：0
作者：
Yang, Shanxiu [2 ,3 ]
Liu, Yuyu [1 ,2 ,3 ]
Zhang, Zhang [1 ]
Qian, Bo [2 ,3 ]
机构：
[1] Northwest Normal Univ, Coll Chem & Chem Engn, Key Lab Ecoenvironm Related Polymer Mat, Minist Educ, Lanzhou 730070, Gansu, Peoples R China
[2] Lanzhou Inst Chem Phys, Chinese Acad Sci, State Key Lab Low Carbon Catalysis & Carbon Dioxid, Lanzhou 730000, Peoples R China
[3] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China
来源：
SYNLETT | 2025年 / 36卷 / 03期
关键词：
olefins; hydrogen peroxide; integrated Mn/TS-1/N catalysts; epoxidation; continuous-flow microreactions; EFFICIENT EPOXIDATION; PROPYLENE EPOXIDATION; PROPENE OXIDE; NONHEME IRON; TS-1; H2O2; PERFORMANCE; SITES;
D O I：
10.1055/s-0043-1775366
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Propylene liquid-phase epoxidation with 50-75% H2O2 is an important process for the industrial production of propylene oxide (PO). To realize a propylene epoxidation process that proceeds with low hydrogen peroxide concentration, we developed an integrated Mn/TS-1/N catalytic system via in-situ reaction of Mn/TS-1 with an N-donor ligand, affording the PO product in excellent yield with only 30 wt% H2O2. Other long-chain aliphatic epoxides were also readily synthesized by this catalytic epoxidation system. Moreover, in addition to the standard micro-pressure reactor, a continuous-flow microreactor was developed that executed the hydrogen peroxide propylene oxide (HPPO) process with excellent efficiency for 1300 hours. This innovative Mn/TS-1/N catalyzed epoxidation represents a promising direction for advancing HPPO industrial processes, offering improved efficiency while minimizing the reliance on high concentrations of H2O2.
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收藏
页码：264 / 268
页数：5
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