thionyl chloride Erwaermen des Reaktionsprodukts mit Thioessigsaeure in Benzol;

triethylamine in dichloromethane T=50°C;

sodium O-(1,1-dimethylpropyl) carbonodithioate in dichloromethane 15 h; Heating;

1-bromo-1,1-dimethylethane; N(Et)4ClO4 in N,N-dimethyl-formamide cathodic reduction, cathode: Hg; further cathodes: carbone vitreous, platinum, various electrolyser potentials; Product distributionMechanism;