Isocyclic Compounds
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ChemInform Abstract: Synthesis of Diaryl Ethers Through the Copper-Promoted Arylation of Phenols with Arylboronic Acids. An Expedient Synthesis of Thyroxine.
First published: 20 June 2010
Abstract
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ChemInform Abstract
Copper(II) and base-promoted coupling of phenols with arylboronic acids provides an efficient synthesis of diaryl ethers. The reaction of the phenolic amino acids proceeds without racemization, thus providing an advanced intermediate (XIb) in a synthesis of L-thyroxine.
