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Synthesis 2009(15): 2517-2522
DOI: 10.1055/s-0029-1216890
DOI: 10.1055/s-0029-1216890
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
Cu-Al Hydrotalcite: An Efficient and Reusable Ligand-Free Catalyst for the Coupling of Aryl Chlorides with Aliphatic, Aromatic, and N(H)-Heterocyclic Amines
Further Information
Received
11 March 2009
Publication Date:
10 July 2009 (online)
Publication History
Publication Date:
10 July 2009 (online)
Abstract
Copper-aluminum hydrotalcite catalysts were effectively used in the coupling of aryl chlorides with aliphatic, aromatic, and N(H)-heterocyclic amines to afford the corresponding N-alkylated/arylated amines in excellent yields. The catalyst was quantitatively recovered from the reaction by simple filtration and reused for a number of cycles with almost consistent activity.
Key words
hydrotalcite - copper - aryl chloride - coupling - N-alkylated/arylated amines - reusable catalyst
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