1: benzaldehyde With hydroxylamine hydrochloride; caesium carbonate in toluene T=20°C; 10 h; Green chemistry; 2: With [{(η5-C5Me5)IrCl}2(μ-Cl)2]; [Ru2(p-PriC6H4Me)2(μ-Cl)Cl]2 in toluene T=130°C; 3 h; Green chemistry; 3: benzyl alcohol in toluene T=130°C; 12 h; Green chemistry;
