Base promoted highly efficient copper fluorapatite catalyzed coupling of phenols with arylboronic acids under mild and ligand-free conditions

A mild, general and highly efficient protocol has been developed for the synthesis of diaryl ethers in good to excellent yield under mild and ligand-free conditions. This is the first example in which a recyclable, heterogeneous copper fluorapatite catalyst is used for the arylation of phenols with...

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Bibliographic Details
Published in:RSC advances 2012-01, Vol.2 (33), p.12818-12823
Main Authors: Mulla, Shafeek A. R., Inamdar, Suleman M., Pathan, Mohsinkhan Y., Chavan, Santosh S.
Format: Article
Language:English
Subjects:
Catalysts
Copper
Fluorapatite
Joining
Methyl alcohol
Phenols
Solvents
Synthesis
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Summary:A mild, general and highly efficient protocol has been developed for the synthesis of diaryl ethers in good to excellent yield under mild and ligand-free conditions. This is the first example in which a recyclable, heterogeneous copper fluorapatite catalyst is used for the arylation of phenols with arylboronic acids at room temperature in the presence of Cs sub(2)CO sub(3) as a base and methanol as a solvent. The catalyst was recovered and reused several times without loss of catalytic activity.
ISSN:2046-2069
2046-2069
DOI:10.1039/c2ra21850j