1: 3-methylbut-3-en-1-yl phenyl sulfide With N,N,N',N,-tetramethylethylenediamine; lithium 1-(dimethylamino)naphthalenide in diethyl ether; dimethyl-ether T=-70°C; 2: 1-methyl-4-(methylethenyl)benzene in diethyl ether T=-30 - 20°C; 3: With methanol in diethyl ether T=-78°C; Further stages.;

1: N-chlorosuccinimide / CCl4 / 3 h / Ambient temperature 2: 70 percent / Aliquat 336, sodium hydroxide / benzene; H2O / 1 h / 20 °C View Scheme

MOA; dihydrogen peroxide in methanol T=-15°C; 2 h;