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Synthesis 2009(3): 483-487
DOI: 10.1055/s-0028-1083304
DOI: 10.1055/s-0028-1083304
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
Efficient Catalytic Activity of Copper/Aluminum Hydrotalcite in Diaryl Ether Synthesis
Weitere Informationen
Received
28 August 2008
Publikationsdatum:
09. Januar 2009 (online)
Publikationsverlauf
Publikationsdatum:
09. Januar 2009 (online)
Abstract
A simple copper/aluminum hydrotalcite (Cu/Al-HT) catalyzed arylation of phenols with aryl iodides afforded the corresponding diaryl ethers in moderate to excellent yields. This ligand-free Cu/Al-HT catalyzed coupling of aryl iodides with phenols resulted in high yields of diaryl ethers in the absence of an additive. The catalyst was quantitatively recovered from the reaction by simple filtration and reused for a number of cycles.
Key words
hydrotalcite - copper - coupling - phenol - reusable catalyst
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