1: methyl iodide With Sn[N(SiMe3)2]2 in tetrahydrofuran T=20°C; 0.0833333 h; 2: With tetrabutyl ammonium fluoride in tetrahydrofuran T=20°C; 3: 2-bromo-naphthalene With bis-triphenylphosphine-palladium(II) chloride in 1,4-dioxane 0.5 h; Heating; Further stages.;
