zinc(II) iodide in benzene 15 h; Ambient temperature;

sulfuric acid; potassium nitrate T=0 - 3°C; 2 h;

nitric acid T=-30°C; Nitration; 0.133333 h;

1: 92.1 percent / NaBH4 / aq. ethanol / 1.5 h / Ambient temperature 2: 91.3 percent / Amberlyst 15 cation-exchange resin / benzene / 2 h / Heating 3: 89.5 percent / 85percent m-chloroperoxybenzoic acid / CHCl3 / 0.67 h / Heating 4: 83 percent / ZnI2 / benzene / 15 h / Ambient temperature View Scheme

1: 91.3 percent / Amberlyst 15 cation-exchange resin / benzene / 2 h / Heating 2: 89.5 percent / 85percent m-chloroperoxybenzoic acid / CHCl3 / 0.67 h / Heating 3: 83 percent / ZnI2 / benzene / 15 h / Ambient temperature View Scheme

1: 89.5 percent / 85percent m-chloroperoxybenzoic acid / CHCl3 / 0.67 h / Heating 2: 83 percent / ZnI2 / benzene / 15 h / Ambient temperature View Scheme

1: 33.3 percent / NH4NO3, trifluoroacetic anhydride / CHCl3 / 2.5 h / 25 - 30 °C 2: 92.1 percent / NaBH4 / aq. ethanol / 1.5 h / Ambient temperature 3: 91.3 percent / Amberlyst 15 cation-exchange resin / benzene / 2 h / Heating 4: 89.5 percent / 85percent m-chloroperoxybenzoic acid / CHCl3 / 0.67 h / Heating 5: 83 percent / ZnI2 / benzene / 15 h / Ambient temperature View Scheme

ammonium acetate; sodium cyanoborohydride in methanol T=50°C; 15 h;

1: With acetic acid in 1,2-dichloro-ethane T=20°C; 1 h; 2: With sodium cyanoborohydride in methanol; 1,2-dichloro-ethane Further stages.;