An efficient and general copper-catalyzed method is reported for the synthesis of phenol-derived 1-bromoenol ethers, ynol ethers, and ketene acetals by chemodivergent copper-catalyzed cross-coupling between readily available 1,1-dibromo-1-alkenes and phenols.
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http://dx.doi.org/10.1021/ol300491d | DOI Listing |
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