Preparation of α,ω-bis(dimethylhydrosilyl)perfluorohexane

The in situ reaction of α,ω-dibromoperfluorohexane, magnesium and chlorodimethylhydrosilane has been optimized on a small-scale. These conditions were scaled-up and used to prepare α,ω-bis(dimethylhydrosilyl)perfluorohexane in good yields.