Issue 11, 2011
From the journal:

Organic & Biomolecular Chemistry

SBA-15-functionalized TEMPO confined ionic liquid: an efficient catalyst system for transition-metal-free aerobic oxidation of alcohols with improved selectivity†

Babak Karimi*a  and  Ebrahim Badreha  

* Corresponding authors

a Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Gava Zang, Zanjan, Iran
E-mail: karimi@iasbs.ac.ir
Fax: +98-241-4214949
Tel: +98-241-4153225

Abstract

A novel SBA-15-functionalized TEMPO confined ionic liquid [BMIm]Br was found to be a highly efficient and recyclable catalyst system for the transition-metal-free aerobic oxidation of a wide range of structurally diverse alcohols. Thanks to the strong physical confinement of the ionic liquid inside the mesochannels of SBA-15-supported TEMPO, the resulting solid catalyst showed improved selectivity in the aerobic oxidation of allylic alcohols. The catalyst can be recovered and re-used for at least 11 reaction runs without significant loss of either activity or confined IL.

Graphical abstract: SBA-15-functionalized TEMPO confined ionic liquid: an efficient catalyst system for transition-metal-free aerobic oxidation of alcohols with improved selectivity

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Article information

DOI
https://doi.org/10.1039/C1OB05178D
Article type
Paper
Submitted
31 Jan 2011
Accepted
16 Mar 2011
First published
16 Mar 2011

Org. Biomol. Chem., 2011,9, 4194-4198

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SBA-15-functionalized TEMPO confined ionic liquid: an efficient catalyst system for transition-metal-free aerobic oxidation of alcohols with improved selectivity

B. Karimi and E. Badreh, Org. Biomol. Chem., 2011, 9, 4194 DOI: 10.1039/C1OB05178D

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