sulfuric acid in dichloromethane T=0 - 20°C; 12 h;

N-bromosuccinmide; 2,2'-azo-bisisobutyronitrile in tetrachloromethane 1 h; Heating;

1: tert-butyl N-p-tolyl-N-methylcarbamate With (μ3,η2,η3,η5-acenaphthylene)Ru3(CO)7; dimethylphenylsilane in ethylene glycol dimethyl ether T=40°C; 7 h; Inert atmosphere; 2: acetyl chloride With triethylamine in diethyl ether T=0°C; 1 h; Inert atmosphere;