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Wenhan Zhang and Dr. Joseph M. Ready The Ketene-Surrogate Coupling: Catalytic Conversion of Aryl Iodides into Aryl Ketenes through Ynol Ethers Angewandte Chemie International Edition 53

Version of Record online: 27 JUN 2014 | DOI: 10.1002/anie.201405036

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Setting a trap: Coupling of a terminal ynol ether with aryl iodides enables a catalytic synthesis of aryl ketenes. In situ trapping with nucleophiles provides a wide array of aryl acetic acids and benzyl ketones with only HI and isobutylene as chemical waste. The aryl ketenes additionally participate in electrocyclic ring closure to yield naphthols and quinolines.

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