1.1: sec-BuLi / diethyl ether / 2 h / -30 °C 1.2: diethyl ether / -30 - 20 °C 2.1: 62 percent / AlI3 / toluene / Heating View Scheme

1: 1-(2-methoxyethoxy)-2-methylbenzene With sec.-butyllithium in diethyl ether T=-30°C; 2 h; 2: methyl iodide With N,N,N',N,-tetramethylethylenediamine in diethyl ether T=-30 - 20°C; Further stages.;

1: 1-(2-methoxyethoxy)-2-methylbenzene With sec.-butyllithium in diethyl ether; cyclohexane T=-30°C; 2 h; 2: methyl iodide in diethyl ether; cyclohexane T=-30 - 20°C; 2 h; Further stages.;