Additionen von SF5Cl und TeF5Cl an 〈CC〉 Doppelbindungen

Addition of SF₅Cl and TeF₅Cl on 〈C?C〉 double bonds Addition of SF₅Cl on 〈C?C〉 double bonds is investigated in a few examples. The results indicate a radical mechanism, in which the SF₅· free radical attacks the double bonds first. This is in agreement with many earlier findings. The direction of the addition is not changed by sterical influences. Sterically strained derivatives such as (SF₅)₂CH? CF₂Cl and SF₅(CF₃)₂C? CH₂Cl are obtained. In a single case the addition of TeF₅Cl on CH₂?CF₂ was possible, but the analogous reaction with SeF₅Cl was unsuccessful.