triethylamine in dichloromethane T=0 - 20°C; Inert atmosphere;

tert.-butylhydroperoxide; calcium carbonate in water T=60°C; 16 h; Inert atmosphereGreen chemistry;

4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride in N,N-dimethyl-formamide T=23°C; 3 h;

trifluorormethanesulfonic acid; tris(4-methylphenyl)-phosphine; [RhCl(η2:η2-cycloocta-1,5-diene)]2 in 1,2-dichloro-ethane Beckmann rearrangement; 3 h; Heating;

1: Iron (III) nitrate nonahydrate; 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical / acetonitrile / 2 h / 20 °C / |Inert atmosphere; |Green chemistry 2: tert.-butylhydroperoxide; calcium carbonate / water / 16 h / 60 °C / |Inert atmosphere; |Green chemistry View Scheme