aluminium trichloride in benzene T=50°C; 6 h;

1: 22 percent / HNO3, acetic acid / acetic anhydride / 2 h / -20 - 0 °C 2: 95 percent / concentrated hydrochloric acid, tin / ethanol / 1 h / Heating 3: 95 percent / benzene / 0.25 h / 40 - 50 °C 4: 94 percent / AlCl3 / benzene / 3 h / 50 °C View Scheme

1: 95 percent / concentrated hydrochloric acid, tin / ethanol / 1 h / Heating 2: 95 percent / benzene / 0.25 h / 40 - 50 °C 3: 94 percent / AlCl3 / benzene / 3 h / 50 °C View Scheme

1: 83 percent / aluminum chloride / nitromethane / 0.25 h 2: 30 percent / nitric acid, acetic acid / acetic anhydride / 2 h / -20 - 0 °C 3: 95 percent / conc. HCl, tin powder / ethanol / 1 h / Heating 4: 95 percent / benzene / 0.25 h / 40 - 50 °C 5: 94 percent / aluminum chloride / benzene / 6 h / 50 °C View Scheme

1: 95 percent / benzene / 0.25 h / 40 - 50 °C 2: 94 percent / AlCl3 / benzene / 3 h / 50 °C View Scheme

1: aq. H2O2, maleic anhydride / CH2Cl2 / Heating 2: (i) H2, Et3N, Pd-C, (ii) NH3 View Scheme

1: N2H4*H2O, NaOH, HOCH2CH2OH / Heating 2: aq. H2O2, maleic anhydride / CH2Cl2 / Heating 3: (i) H2, Et3N, Pd-C, (ii) NH3 View Scheme

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(i) H2, Et3N, Pd-C, (ii) NH3; Multistep reaction;