Treatment of aryl allenylmethyl ethers with tris(4-bromophenyl)aminium hexachloroantimonate in acetonitrile at room temperature induces a facile cation radical induced Claisen rearrangement to yield 2-(o-hydroxyaryl)buta-1,3-dienes.
S. Dhanalekshmi, C. S. Venkatachalam and K. K. Balasubramanian, J. Chem. Soc., Chem. Commun., 1994, 511 DOI: 10.1039/C39940000511
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