A simple procedure for the preparation of 3-(hetero)arylpropionaldehydes has been developed employing a gold-catalyzed [1,3]-rearrangement of vinyl ethers. Using this protocol, Canthoxal, an aromatic aldehyde used in perfumery, has been prepared on a gram scale.
![Graphical abstract: Gold(i) catalyzed [1,3] O → C rearrangement of benzylvinyl ethers](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=C5QO00397K&imageInfo.ImageIdentifier.Year=2016)
C. N. Kona, M. N. Patil and C. V. Ramana, Org. Chem. Front., 2016, 3, 453 DOI: 10.1039/C5QO00397K
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