nitric acid 0.0333333 h; darkness;

1: Na2S2O4 / ethyl acetate 2: HCl / 0.25 h / Ambient temperature 3: 97 percent / Et3N, Ag2O / CHCl3 / 24 h / Ambient temperature 4: 95 percent / aq. HNO3 / 0.03 h / Ambient temperature View Scheme

1: HCl / 0.25 h / Ambient temperature 2: 97 percent / Et3N, Ag2O / CHCl3 / 24 h / Ambient temperature 3: 95 percent / aq. HNO3 / 0.03 h / Ambient temperature View Scheme

1: 97 percent / Et3N, Ag2O / CHCl3 / 24 h / Ambient temperature 2: 95 percent / aq. HNO3 / 0.03 h / Ambient temperature View Scheme

1: CH2Cl2 / 18 h / Ambient temperature 2: AcOH / CH2Cl2 / Ambient temperature 3: Na2S2O4 / ethyl acetate 4: HCl / 0.25 h / Ambient temperature 5: 97 percent / Et3N, Ag2O / CHCl3 / 24 h / Ambient temperature 6: 95 percent / aq. HNO3 / 0.03 h / Ambient temperature View Scheme

1: 1) AlCl3, NaCl, 2) conc. HCl, H2O / 1) melt, 180 deg C, 2) 0 deg C, 3 h 2: 90 percent / Zn / pyridine 3: 91 percent / NaOAc, H2 / Pd/C (10 percent Pd) / methanol / 10 h / 40 - 45 °C / Irradiation 4: 73 percent / 1) 2 N NaOH, 2) FeCl3*6H2O/HCl / 1) MeOH, reflux, 2) H2O 5: 98 percent / Ag2O / CHCl3 / Heating 6: Na2S2O4 / diethyl ether; CHCl3; H2O 7: 83 percent / 1) HCl, 2) H2O / 1) 15 min 8: 1) Ag2O, (Et)3N (0.3 percent), 2) HNO3 (65 percent) / 1) CHCl3, 2) 2 min View Scheme

1: 90 percent / Zn / pyridine 2: 91 percent / NaOAc, H2 / Pd/C (10 percent Pd) / methanol / 10 h / 40 - 45 °C / Irradiation 3: 73 percent / 1) 2 N NaOH, 2) FeCl3*6H2O/HCl / 1) MeOH, reflux, 2) H2O 4: 98 percent / Ag2O / CHCl3 / Heating 5: Na2S2O4 / diethyl ether; CHCl3; H2O 6: 83 percent / 1) HCl, 2) H2O / 1) 15 min 7: 1) Ag2O, (Et)3N (0.3 percent), 2) HNO3 (65 percent) / 1) CHCl3, 2) 2 min View Scheme

1: 91 percent / NaOAc, H2 / Pd/C (10 percent Pd) / methanol / 10 h / 40 - 45 °C / Irradiation 2: 73 percent / 1) 2 N NaOH, 2) FeCl3*6H2O/HCl / 1) MeOH, reflux, 2) H2O 3: 98 percent / Ag2O / CHCl3 / Heating 4: Na2S2O4 / diethyl ether; CHCl3; H2O 5: 83 percent / 1) HCl, 2) H2O / 1) 15 min 6: 1) Ag2O, (Et)3N (0.3 percent), 2) HNO3 (65 percent) / 1) CHCl3, 2) 2 min View Scheme

1: AcOH / CH2Cl2 / Ambient temperature 2: Na2S2O4 / ethyl acetate 3: HCl / 0.25 h / Ambient temperature 4: 97 percent / Et3N, Ag2O / CHCl3 / 24 h / Ambient temperature 5: 95 percent / aq. HNO3 / 0.03 h / Ambient temperature View Scheme

1: 2.) AcOH / 1.) CH2Cl2 2: aq. Na2S2O4 / ethyl acetate 3: HCl gas 4: Ag2O, Et3N / CH2Cl2 5: conc. HNO3 / 0.03 h View Scheme