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Title: Role of copper in catalyzing aryl and heteroaryl-nitrogen (or -oxygen) bond formation under ligand-free and solvent-free conditions
Authors: Basu, Basudeb
Das, Sajal
Mandal, Bablee
Keywords: Cu catalyst;Bromopyridines;C-N coupling;C-O coupling;ligand-free conditions
Issue Date: Nov-2008
Publisher: CSIR
Abstract: Formation of aryl- or heteroaryl-nitrogen (or -oxygen) bonds under ligand and solvent-free conditions are highly selective to the presence of copper. While bromoarenes undergo C-N (or -O) coupling in stoichiometric presence of copper, heteroaryl bromides require only catalytic amounts of copper(I) salts depending on the position of bromo substituents. Such selectivity coupled with ligand and solvent-free protocols appear promising from the viewpoint of ecology and economy and are more attractive as compared to the existing protocols.
Page(s): 1701-1706
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.47B(11) [November 2008]

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