Issue 18, 2013

Abnormal bis-NHC mediated aerial oxidation of arylaldehydes: highly efficient transformation of arylaldehydes to the corresponding carboxylic acids catalyzed by organic catalysts

Abstract

Three bis-zwitterionic imidazolium salts (bis-NHCs) bearing different alkyl chains and two 2,4,6-trimethylphenyl groups on their imidazole rings have been synthesized and characterized by NMR, electrospray ionization mass spectrometry (ESI-MS) and X-ray diffraction analysis. A convenient and highly efficient reaction catalyzed by the bis-NHC complexes has been discovered for the oxidation of arylaldehydes to the corresponding carboxylic acids in good yields, under ambient pressure in air and under mild reaction conditions, with excellent functional group tolerance, including halide, ether, alkyl and nitro groups.

Graphical abstract: Abnormal bis-NHC mediated aerial oxidation of arylaldehydes: highly efficient transformation of arylaldehydes to the corresponding carboxylic acids catalyzed by organic catalysts

Supplementary files

Article information

Article type
Communication
Submitted
05 Jan 2013
Accepted
06 Mar 2013
First published
07 Mar 2013

RSC Adv., 2013,3, 6334-6338

Abnormal bis-NHC mediated aerial oxidation of arylaldehydes: highly efficient transformation of arylaldehydes to the corresponding carboxylic acids catalyzed by organic catalysts

W. Yang, G. Gou, Y. Wang and W. Fu, RSC Adv., 2013, 3, 6334 DOI: 10.1039/C3RA00046J

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