Abstract
Chlorooctafluoro-3-methylene-1-indanyl, 3-(chlorofluoromethylene)heptafluoro-1-indanyl, and 2- and 3-(dichloromethylene)heptafluoro-1-indanyl cations were generated from the corresponding dihalomethyleneindans in the system SbF5-SO2ClF. Isomerization of these cations yields thermodynamically more stable polyfluoromethylindenyl cations with chlorine atoms in the five-membered ring.
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Karpov, V.M., Platonov, V.E. Generation of Chloropolyfluoromethylene-1-indanyl Cations and Their Isomerization into Chloropolyfluoromethylindenyl Cations. Russian Journal of Organic Chemistry 37, 981–987 (2001). https://doi.org/10.1023/A:1012426500233
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DOI: https://doi.org/10.1023/A:1012426500233