What is it about?
Copper salts can be used as simple catalysts for the coupling of an aryloxy group and an arene moiety. The di-aryl ethers or aryl ethers are often encountered in natural products and this C-O coupling which is only second in importance to C-C coupling can be done with simple copper compounds.
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Why is it important?
Many expensive Pd catalysts have been used to carry out the C-O coupling. We have done it with copper under laboratory conditions.
Perspectives
Palladium (0), with a d10 configuration, is often used as a catalyst in many cases where an electronically equivalent copper(I) compound could be used for catalyzing the same reaction.
Ashoka Samuelson
Indian Institute of Science
Read the Original
This page is a summary of: Copper promoted synthesis of diaryl ethers, New Journal of Chemistry, January 2004, Royal Society of Chemistry,
DOI: 10.1039/b401179a.
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