The title compound was synthesized from perfluoro-1-ethyltetralin and 1,2,3,4-tetrafluorobenzene under the action of antimony pentafluoride as a mixture of cis- and trans-isomers in a 71% isolated yield. The structure and cis-/trans-configuration of the isomers were determined by NMR (19F, 13C), 19F–19F COSY, and 19F–19F NOESY 2D NMR spectroscopy.
