Abstract
Tetrakis (trifluoromethyl) tellurium is prepared by the reaction of (CF3)2TeCl2 with Cd(CF3)2 complexes at low temperature [1] and can be isolated by vacuum distillation. It is the first compound of a chalcogen element with more than two perfluoroalkyl groups. Te(CF3)4 is characterized by physical data and n.m.r., mass, and vibrational spectra. The chemical behaviour will be discussed. With Lewis acids [Te(CF3)3]+ is easily formed. Te(CF3)4 behaves as polar as well as radical trifluoromethylation reagent.In similar reactions also the higher homologous tetrakis-(perfluoroakyl)tellurium compounds can be prepared.
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