Issue 4, 2013

Recyclable nanoscale copper(i) catalysts in ionic liquid media for selective decarboxylative C–C bond cleavage

Abstract

Here we report the synthesis and application of finely divided Cu2O nanoparticles (Cu2O-NPs) in the range from 5.5 nm to 8.0 nm in phosphonium ionic liquids as the first recyclable and effective catalytic system for smooth, ligand- and additive-free protodecarboxylation of 2-nitrobenzoic acid as a model substrate and further derivatives. The reactions run with low catalyst loadings and result in quantitative yield in ten consecutive recycling experiments. In addition this system is highly selective towards electron-poor 2-nitrobenzoic acids.

Graphical abstract: Recyclable nanoscale copper(i) catalysts in ionic liquid media for selective decarboxylative C–C bond cleavage

Article information

Article type
Paper
Submitted
07 Nov 2012
Accepted
20 Dec 2012
First published
02 Jan 2013

Catal. Sci. Technol., 2013,3, 992-1001

Recyclable nanoscale copper(I) catalysts in ionic liquid media for selective decarboxylative C–C bond cleavage

M. T. Keßler, C. Gedig, S. Sahler, P. Wand, S. Robke and M. H. G. Prechtl, Catal. Sci. Technol., 2013, 3, 992 DOI: 10.1039/C2CY20760E

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