Conclusions
The cycloaddition of nitrile N-oxides to bis(trifluoromethyl)ketene leads to 2-hexafluoroisopropylidene-1,3,4-dioxazoles.
Literature cited
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 2140–2142, September, 1970.
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Del'tsova, D.P., Koshtoyan, S.O. & Zeifman, Y.V. Cycloaddition of nitrile N-oxides to bis(trifluoromethyl)ketene. Russ Chem Bull 19, 2021–2022 (1970). https://doi.org/10.1007/BF00849800
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DOI: https://doi.org/10.1007/BF00849800