Conclusions
Fluoroolefins containing both a fluorine atom and methoxy group in the allylic position are readily converted by the action of SbF5 to α,β-unsaturated fluoroketones which are cyclized by the action of fluoride ion or SbF5 to give 2,5-dihydrofurans.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2765–2775, December, 1983.
The authors thank M. V. Galakhov for taking the13C NMR spectra.
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Snegirev, V.F., Gervits, L.L. & Makarov, K.N. Synthesis, properties mid stereochemistry of higherα,β-unsaturated perfluoroketones. Russ Chem Bull 32, 2480–2489 (1983). https://doi.org/10.1007/BF00954479
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DOI: https://doi.org/10.1007/BF00954479