Conclusions
When heated in the presence of a catalytic amount of BF3 etherate,α-trifluoromethyl-β-diethylamino-β-fluoroacrylic acid N, N-dimethylamide is reversibly isomerized toα-trifluoromethyl-β-dimethylamino-β-fluoroacrylic acid N, N-diethylamide. The methyl esters ofα-trifluoromethyl-β-diethylammo-β-fluoroacrylic acid andα-trifluoromethyl-β-phenoxy-β-fluoroacrylic acid N,N-dimethylamide are not isomerized under the same conditions.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No.1, pp.137–141, January, 1976.
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Knunyants, I.L., Rokhlin, E.M., Utebaev, U. et al. Rearrangement ofα -trifluoromethyl-β-dialkylamino-β-fluoroacrylic acid N.N-dialkylamides. Russ Chem Bull 25, 124–128 (1976). https://doi.org/10.1007/BF00925633
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DOI: https://doi.org/10.1007/BF00925633