Journal
CATALYSIS COMMUNICATIONS
Volume 60, Issue -, Pages 92-95Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2014.11.014
Keywords
copper; Ullmann C-N coupling reaction; heterogeneous catalysis; green chemistry
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Funding
- National Natural Science Foundation of China [21272282]
- Fundamental Research Funds for the Central Universities
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Functionalised chitosan was synthesised and combined with CuO to yield a recyclable, environment-friendly heterogeneous catalytic system for the Ullmann C-N coupling reaction in water. Various aromatic amines can be readily prepared from both electron-withdrawing and electron-donating aryl halides with anilines, benzylamine, aliphatic amines and imidazole with good to excellent yields, even for the hindered o-substituted aryl halides. (C) 2014 Elsevier B.V. All rights reserved.
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