Issue 13, 2016

Metal-free aerobic oxidative coupling of amines in dimethyl sulfoxide via a radical pathway

Abstract

Metal-free oxidative coupling of amines is achieved simply by heating their dimethyl sulfoxide (DMSO) solution under oxygen as oxidant without any other catalysts or additives, accompanied by the formation of an equimolar amount of dimethyl sulfone (DMSO2). EPR experiments indicate that the reaction proceeds via a radical pathway. DMSO may play a triple role as solvent, radical initiator and co-reductant.

Graphical abstract: Metal-free aerobic oxidative coupling of amines in dimethyl sulfoxide via a radical pathway

Supplementary files

Article information

Article type
Paper
Submitted
30 Nov 2015
Accepted
14 Jan 2016
First published
18 Jan 2016

RSC Adv., 2016,6, 10861-10864

Author version available

Metal-free aerobic oxidative coupling of amines in dimethyl sulfoxide via a radical pathway

M. Lin, Z. Wang, H. Fang, L. Liu, H. Yin, C. Yan and X. Fu, RSC Adv., 2016, 6, 10861 DOI: 10.1039/C5RA25434E

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