1: NaBH4 / methanol / Ambient temperature 2: (i) CuCl, NH2OH*HCl, MeOH, THF, (ii) /BRN= 1304820/, EtNH2, (iii) <Cu(NH3)4>SO4, acetone 3: MnO2 / CH2Cl2 4: NaOMe / methanol 5: Al-Hg / diethyl ether 6: aq. H2SO4 / dioxane / Heating View Scheme

1: (i) Li, liq. NH3, (ii) /BRN= 1867034/, THF, (iii) aq. H2SO4, Et2O 2: NaBH4 / methanol / Ambient temperature 3: (i) CuCl, NH2OH*HCl, MeOH, THF, (ii) /BRN= 1304820/, EtNH2, (iii) <Cu(NH3)4>SO4, acetone 4: MnO2 / CH2Cl2 5: NaOMe / methanol 6: Al-Hg / diethyl ether 7: aq. H2SO4 / dioxane / Heating View Scheme

1: (i) CuCl, NH2OH*HCl, MeOH, THF, (ii) /BRN= 1304820/, EtNH2, (iii) <Cu(NH3)4>SO4, acetone 2: MnO2 / CH2Cl2 3: NaOMe / methanol 4: Al-Hg / diethyl ether 5: aq. H2SO4 / dioxane / Heating View Scheme

1: NaOMe / methanol 2: Al-Hg / diethyl ether 3: aq. H2SO4 / dioxane / Heating View Scheme

1: MnO2 / CH2Cl2 2: NaOMe / methanol 3: Al-Hg / diethyl ether 4: aq. H2SO4 / dioxane / Heating View Scheme

sulfuric acid in 1,4-dioxane Heating;

1: Al-Hg / diethyl ether 2: aq. H2SO4 / dioxane / Heating View Scheme