Reaction of Perfluorobenzocyclobutene with Excess Pentafluorobenzene in SbF5

T. V. Mezhenkova, V. R. Sinyakov, V. M. Karpov, Ya V. Zonov, Yu V. Gatilov, V. E. Platonov

Research output: Contribution to journalReview articlepeer-review


The reaction of perfluorobenzocyclobutene with excess pentafluorobenzene in SbF5, followed by hydrolysis, gave a mixture of perfluoro-1,3,3-triphenyl-1,3-dihydro-2-benzofuran-1-ol, perfluoro-1,1,2-triphenylbenzocyclobuten- 5-one, and perfluoro-4-(2,2-diphenylbenzocyclobuten-1-ylidene)cyclohexa-2,5-dien-1- one. When the reaction mixture was treated for a long time with Olah’s reagent (HF–pyridine), isomeric perfluoro-9,10-diphenyl-1,4-, -1,10-, -2,9-, and -9,10-dihydroanthracenes were formed and were converted to perfluoro-9,10-diphenylanthracene by the action of SbF5.

Original languageEnglish
Pages (from-to)545-553
Number of pages9
JournalRussian Journal of Organic Chemistry
Issue number4
Publication statusPublished - 1 Apr 2018


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