1: 91 percent / dioxane / 72 h / Heating 2: 90 percent / aq. NaOH; KMnO4 / 60 - 80 °C 3: 86 percent / conc. H2SO4; conc. HNO3 / acetic acid / 2 h / 0 - 20 °C 4: 96 percent / conc. H2SO4 / 48 h / Heating 5: 99 percent / aq. HCl; Fe / ethanol / Heating 6: 85 percent / diphenyl ether / 4 h / Heating View Scheme

1: (i) AlCl3, (ii) H2SO4 2: HNO3 / 180 °C 3: SnCl2, aq. HCl 4: diethyl ether; methanol; H2O 5: (i) aq. NaOH, (ii) Zn, NH3, (iii) /BRN= 102415/, MeOH, H2O View Scheme

1: (i) AlCl3, (ii) H2SO4 2: HNO3 / 180 °C 3: SnCl2, aq. HCl 4: diethyl ether; methanol; H2O 5: (i) aq. NaOH, (ii) Zn, NH3, (iii) /BRN= 102415/, MeOH, H2O View Scheme

1: HNO3 / 180 °C 2: SnCl2, aq. HCl 3: diethyl ether; methanol; H2O 4: (i) aq. NaOH, (ii) Zn, NH3, (iii) /BRN= 102415/, MeOH, H2O View Scheme

1: SnCl2, aq. HCl 2: diethyl ether; methanol; H2O 3: (i) aq. NaOH, (ii) Zn, NH3, (iii) /BRN= 102415/, MeOH, H2O View Scheme

1: diethyl ether; methanol; H2O 2: (i) aq. NaOH, (ii) Zn, NH3, (iii) /BRN= 102415/, MeOH, H2O View Scheme

(i) aq. NaOH, (ii) Zn, NH3, (iii) /BRN= 102415/, MeOH, H2O; Multistep reaction;