Abstract
Perfluoro-1-ethylindane on heating with SbF5 is isomerized to perfluoro-1,1-dimethylindane, perfluoro-α,Β-o-trimethylstyrene, and perfluoro-1,2-dimethylindane. In the presence of SbF5, the latter two products are converted one into the other. In addition, in SbF5 perfluoro-1,2-dimethylindane is defluorinated to perfluoro-2,3-dimethylindene and fluorinated to perfluoro-2,3-dimethyl-4,5,6,7-tetrahydroindene which is further fluorinated to perfluoro-1,2-dimethyl-4,5,6,7-tetrahydroindane and is converted at 200‡C to perfluoro-1,7-dimethylindane. The latter is also formed on heating perfluoro-α,Β-o-trimethylstyrene with SbF5 at 200‡C.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 645–652, March, 1990.
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Karpov, V.M., Mezhenkova, T.V. & Platonov, V.E. Isomer conversions in perfluoro-1-ethylindane under the action of antimony pentafluoride. Russ Chem Bull 39, 566–572 (1990). https://doi.org/10.1007/BF00959585
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DOI: https://doi.org/10.1007/BF00959585