Environmentally Friendly Catalysis Using Supported Reagents: Catalytic Epoxidation with Hydrogen Peroxide Mediated by Iron(II) Ions Immobilised on γ-alumina

2003 ◽  
Vol 2003 (5) ◽  
pp. 313-314 ◽  
Author(s):  
Hassan Hosseini Monfared ◽  
Mitra Ghadimi
Keyword(s):  
Hydrogen Peroxide ◽  
Heterogeneous Catalyst ◽  
Environmentally Friendly ◽  
Catalytic Epoxidation ◽  
Oxygen Donor ◽  
Epoxidation Of Olefins

A simple heterogeneous catalyst based on supporting iron(II) ions on γ-alumina was developed and successfully applied to the selective epoxidation of olefins with 35% aqueous H2O2 as an oxygen donor in CH3CN.

Trapping of a Highly Reactive Oxoiron(IV) Complex in the Catalytic Epoxidation of Olefins by Hydrogen Peroxide

2019 ◽  
Vol 131 (12) ◽  
pp. 4052-4056 ◽  
Author(s):  
Xenia Engelmann ◽  
Deesha D. Malik ◽  
Teresa Corona ◽  
Katrin Warm ◽  
Erik R. Farquhar ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Catalytic Epoxidation ◽  
Epoxidation Of Olefins

Epoxidation of Olefins Catalyzed by Polyoxomolybdates Formed in-situ in Ionic Liquids

2013 ◽  
Vol 68 (10) ◽  
pp. 1138-1142 ◽  
Author(s):  
Lilian R. Graser ◽  
Sophie Jürgens ◽  
Michael E. Wilhelm ◽  
Mirza Cokoja ◽  
Wolfgang A. Herrmann ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Hydrogen Peroxide ◽  
Ionic Liquid ◽  
Catalyst Concentration ◽  
Sodium Molybdate ◽  
Significant Loss ◽  
Catalytic Epoxidation ◽  
Epoxidation Reaction ◽  
Epoxidation Of Olefins

Polyoxomolybdates were generated in situ by treating a carboxylic acid-functionalized ionic liquid with an aqueous solution of sodium molybdate. This reaction mixture was applied in the catalytic epoxidation of olefins using hydrogen peroxide as oxidant. The influence of acid and catalyst concentration as well as of the reaction temperature was investigated. The system showed a good performance for the epoxidation reaction and can be reused several times without a significant loss of activity. We present an easy, cheap and environmentally friendly catalytic system for the epoxidation of cis-cyclooctene.

Catalytic epoxidation of olefins with hydrogen peroxide by hybrid complex containing nickel(III) Schiff base complex covalently linked to polyoxometalate

2008 ◽  
Vol 334 (1-2) ◽  
pp. 106-111 ◽  
Author(s):  
Valiollah Mirkhani ◽  
Majid Moghadam ◽  
Shahram Tangestaninejad ◽  
Iraj Mohammadpoor-Baltork ◽  
Esmaeil Shams ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Schiff Base ◽  
Schiff Base Complex ◽  
Base Complex ◽  
Catalytic Epoxidation ◽  
Hybrid Complex ◽  
Covalently Linked ◽  
Epoxidation Of Olefins

Environmentally friendly epoxidation of olefins under phase-transfer catalysis conditions with hydrogen peroxide

2007 ◽  
Vol 249 (2) ◽  
pp. 338-348 ◽  
Author(s):  
Y MAHHA ◽  
L SALLES ◽  
J PIQUEMAL ◽  
E BRIOT ◽  
A ATLAMSANI ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Phase Transfer Catalysis ◽  
Phase Transfer ◽  
Environmentally Friendly ◽  
Epoxidation Of Olefins

[PZnMo2W9O39]5− immobilized on ionic liquid-modified silica as a heterogeneous catalyst for epoxidation of olefins with hydrogen peroxide

2012 ◽  
Vol 15 (11-12) ◽  
pp. 975-979 ◽  
Author(s):  
Robabeh Hajian ◽  
Shahram Tangestaninejad ◽  
Majid Moghadam ◽  
Valiollah Mirkhani ◽  
Ahmad Reza Khosropour
Keyword(s):  
Hydrogen Peroxide ◽  
Ionic Liquid ◽  
Heterogeneous Catalyst ◽  
Modified Silica ◽  
Epoxidation Of Olefins

An ionic liquid immobilized copper complex for catalytic epoxidation

RSC Advances ◽  
2015 ◽  
Vol 5 (81) ◽  
pp. 65870-65873 ◽  
Author(s):  
R. Dileep ◽  
B. J. Rudresha
Keyword(s):  
Hydrogen Peroxide ◽  
Ionic Liquid ◽  
Liquid Medium ◽  
Catalytic System ◽  
Copper Complex ◽  
Liquid Mixture ◽  
Catalytic Epoxidation ◽  
Epoxidation Of Olefins ◽  
Ionic Liquid Medium

A catalytic system consisting of copper complex and hydrogen peroxide in Emim ionic liquid medium was effective in the epoxidation of olefins and terpenes. The catalyst and the ionic liquid mixture was recycled and reused consistently.

Trapping of a Highly Reactive Oxoiron(IV) Complex in the Catalytic Epoxidation of Olefins by Hydrogen Peroxide

2019 ◽  
Vol 58 (12) ◽  
pp. 4012-4016 ◽  
Author(s):  
Xenia Engelmann ◽  
Deesha D. Malik ◽  
Teresa Corona ◽  
Katrin Warm ◽  
Erik R. Farquhar ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Catalytic Epoxidation ◽  
Epoxidation Of Olefins
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