Metal-Free Epoxidation of Internal and Terminal Alkenes with tert-Butyl Hydroperoxide/Isobutyraldehyde/Oxygen System

被引：10

作者：

Hong, Mei ^{[1
]}

Min, Jie ^{[1
]}

Wang, Shifa ^{[1
]}

机构：

[1] Nanjing Forestry Univ, Coll Chem Engn, Jiangsu Key Lab Biomass Based Green Fuelsand Chem, Nanjing 210037, Jiangsu, Peoples R China

来源：

CHEMISTRYSELECT | 2018年 / 3卷 / 17期

关键词：

Alkene epoxidation; Isobutyraldehyde; Metal free; Molecular oxygen; Radical; MOLECULAR-OXYGEN; CATALYTIC EPOXIDATION; AEROBIC EPOXIDATION; ALLYLIC ALCOHOLS; SALEN COMPLEXES; LIQUID-PHASE; OXIDATION; OLEFINS; STYRENE; LIGANDS;

D O I：

10.1002/slct.201800378

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The epoxidation of several alkenes was studied using oxygen as green oxidant, isobutyraldehyde (IBA) as co-reagent and tert-butyl hydroperoxide (TBHP) as radical initiator at mild conditions (60 degrees C, atmospheric pressure with an oxygen balloon). TBHP could accelerate the production of carbonyl radical and its peroxidation, without using a metal catalyst. The factors influencing the conversion of the substrates and selectivity of the epoxides have been well investigated. Under optimized reaction conditions, the epoxidation of linear terminal, cyclic and aromatic alkenes was evaluated. Most performed reactions were high selectivity for production of the corresponding epoxides.

引用

页码：4818 / 4821

页数：4

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