Abstract
Perfluoro(2,3-epoxy-2-methylpentane) reacted with o-phenylenediamine and ethylenediamine via cleavage of the C-C bond to produce 2,2,3,3,3-pentafluoro-N-[2-(2,2,2-trifluoro-1-trifluoromethylethylamino)-phenyl]propanamide and 2,2,3,3,3-pentafluoro-N-[2-(2,2,2-trifluoro-1-trifluoromethylethylamino)ethyl]-propanamide, respectively. Presumably, these compounds are formed as a result of rearrangement of intermediate ketone generated by intramolecular haloform-type reaction. According to the NMR and X-ray diffraction data, 2,2,3,3,3-pentafluoro-N-[2-(2,2,2-trifluoro-1-trifluoromethylethylamino)phenyl]propanamide in crystal exists as Z conformer with respect to the amide C-N bond.
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Dedicated to Full Member of the Russian Academy of Sciences I.P. Beletskaya on her jubilee
Original Russian Text © T.I. Filyakova, A.Ya. Zapevalov, M.I. Kodess, P.A. Slepukhin, V.I. Saloutin, 2013, published in Zhurnal Organicheskoi Khimii, 2013, Vol. 49, No. 3, pp. 363–368.
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Filyakova, T.I., Zapevalov, A.Y., Kodess, M.I. et al. Reactions of perfluoro(2,3-epoxy-2-methylpentane) with o-phenylenediamine and ethylenediamine. Russ J Org Chem 49, 350–355 (2013). https://doi.org/10.1134/S1070428013030068
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DOI: https://doi.org/10.1134/S1070428013030068