The reaction of tetrafluorohydrazine with vinylidene fluoride and trifluoroethylene in the presence of potassium fluoride gave difluoroaminodifluoroacetonitrile and the N-fluoroiminylfluoride of difluoroaminodifluoroacetic acid, respectively.
The nitrile and N-fluoroiminylfluoride of difluoroaminodifluoroacetic acid are transformed into the methyl ester of this acid under the influence of methanol and sulfuric acid.
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M. Lustig and J. K. Ruff, J. Inorg. Chem.,4, 1441 (1965).
R. A. Bekker, B. L. Dyatkin, and I. L. Knunyants, Izv. AN SSSR, Ser. khim.,1967, 1960.
A. L. Logothetis and G. N. Sausen, J. Org. Chem.,31, 3686 (1966).
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 657–658, March, 1968.
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Dyatkin, B.L., Makarov, K.N. & Knunyants, I.L. A New synthesis op difluoroaminodifluoroacetic acid derivatives. Russ Chem Bull 17, 635–636 (1968). https://doi.org/10.1007/BF00911629