1: 95 percent / Pd(PPh3)4 / tetrahydrofuran / 40 h / Heating 2: 64 percent / benzeneselenic anhydride / dioxane / 24 h / Heating 3: 75 percent / hydroxylamine hydrochloride; pyridine / ethanol / 0.75 h / Heating View Scheme

tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran Methylation; 40 h; Heating;