Journal of fluorine chemistry

The high-temperature alicyclic ring contraction of 1, 1-dichloroperfluorotetralin and the alicyclic ring opening of 1, 1-dichloroperfluorobenzocyclobutene

VM Karpov, TV Mezhenkova, VE Platonov

Index: Karpov, Victor M.; Mezhenkova, Tatyana V.; Platonov, Vyacheslav E. Journal of Fluorine Chemistry, 2007 , vol. 128, # 7 p. 714 - 717

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Abstract

The pyrolysis of 1, 1-dichloroperfluorotetralin (4) in a stream of argon gives a mixture contained perfluoro-1-methyleneindan (1), perfluoro-3-methylindene (6), 1, 1- dichloroperfluoroindan (2) and perfluoroindene (7), while copyrolysis of tetralin 4 with CHClF2 gives a mixture of compounds 1, 6 in the absence of compounds 2 and 7. 1-Chloro- 2-(1-chloro-2, 2-difluorovinyl)-3, 4, 5, 6-tetrafluorobenzene (12) is formed in the pyrolysis ...