Conclusions
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1.
Polyfluorinated 1-alkyl-, 1,1-, and 1,2-dialkylbenzocyclobutenes were obtained by the interaction of perfluorinated benzocyclobutene and 1-methylbenzocyclobutene with tetrafluoroethylene, trifluorochloroethylene, and perfluoropropylene in the presence of SbF5. The ratio of 1,1- and 1,2-isomers was changed in favor of the latter on going from CF2=CF2 to CF2=CFCl and CF2=CFCF3.
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2.
The perfluoro-1-benzocyclobutenyl cation was generated on dissolving perfluorobenzocyclobutene in SbF5 or in the system SbF5-SO2FCl.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2315–2323, October, 1985.
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Karpov, V.M., Mezhenkova, T.V., Platonov, V.E. et al. Reactions of perfluorinated benzocyclobutene and 1-methylbenzocyclobutene with fluoroolefins in the presence of SbF5 . Russ Chem Bull 34, 2143–2150 (1985). https://doi.org/10.1007/BF00963251
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DOI: https://doi.org/10.1007/BF00963251