Abstract
Ketone oxime O-vinyl ethers having alkyl or phenyl radicals react with trifluoroacetic anhydride in ether in the presence of pyridine, yielding 43-54% of the corresponding ketone oxime O-(trans-4,4,4-trifluoro-3-oxo-1-butenyl) ethers with high stereoselectivity.
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Vasil'tsov, A.M., Shmidt, E.Y., Mikhaleva, A.I. et al. Trifluoroacetylation of Ketone O-Vinyloximes. Russian Journal of Organic Chemistry 37, 334–338 (2001). https://doi.org/10.1023/A:1012363904621
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DOI: https://doi.org/10.1023/A:1012363904621