期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2014, 期 27, 页码 5925-5931出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201402530
关键词
Ionic liquids; Imines; Amines; Oxidation; Oxygen; Green chemistry
资金
- Ministry of University and Scientific Research of Italy (MIUR)
- University of Bari
An oxidative coupling of amines to give imines in ionic liquids (ILs) under metal-free aerobic conditions has been developed. The high efficiency achievable in ILs is mechanistically explained in terms of activation of the starting materials (benzylamine and molecular oxygen) by an initial electron transfer, promoted by the ionic nature of the solvent. Reactivity data of variously p-substituted benzylamines show a general deactivating effect, which would imply a change in the rate-determining step in the reaction mechanism.
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