Perfluoroalkyl-containing compound.

摘要

A (perfluoroalkyl)dibenzonium salt represented by the following general formula <CHEM> wherein Rf represents a perfluoroalkyl group having 1 to 10 carbon atoms, A represents a sulfur or selenium atom, R<1> and R<2>, independently from each other, represent a hydrogen atom or a nitro group, X<(-)> represents a conjugated base of Brönsted acid, and n is 0 or 1. The said compound is useful as a reagent for introducing a perfluoroalkyl group.