1: Na / ethanol 2: Py 3: (i), (ii) aq. KOH 4: pyridine / Heating 5: LiAlH4 6: (i) nBuLi, (ii) /BRN= 743518/ 7: LiCl 8: (i) Hg(OAc)2, (ii) aq. NaOH, NaBH4 9: (i) Na2Cr2O7*2H2O, H2SO4, (ii) KOtBu 10: (i) NaBH4, (ii) NaOMe 11: (i) nBuLi, (ii) /BRN= 743518/ 12: (i) trifluoroacetic acid <Na salt>, CF3CO2H, (ii) LiAlH4, (iii) CrO3*2Py View Scheme

2: Na / ethanol 3: Py 4: (i), (ii) aq. KOH 5: pyridine / Heating 6: LiAlH4 7: (i) nBuLi, (ii) /BRN= 743518/ 8: LiCl 9: (i) Hg(OAc)2, (ii) aq. NaOH, NaBH4 10: (i) Na2Cr2O7*2H2O, H2SO4, (ii) KOtBu 11: (i) NaBH4, (ii) NaOMe 12: (i) nBuLi, (ii) /BRN= 743518/ 13: (i) trifluoroacetic acid <Na salt>, CF3CO2H, (ii) LiAlH4, (iii) CrO3*2Py View Scheme

1: Py 2: (i), (ii) aq. KOH 3: pyridine / Heating 4: LiAlH4 5: (i) nBuLi, (ii) /BRN= 743518/ 6: LiCl 7: (i) Hg(OAc)2, (ii) aq. NaOH, NaBH4 8: (i) Na2Cr2O7*2H2O, H2SO4, (ii) KOtBu 9: (i) NaBH4, (ii) NaOMe 10: (i) nBuLi, (ii) /BRN= 743518/ 11: (i) trifluoroacetic acid <Na salt>, CF3CO2H, (ii) LiAlH4, (iii) CrO3*2Py View Scheme

1: (i), (ii) aq. KOH 2: pyridine / Heating 3: LiAlH4 4: (i) nBuLi, (ii) /BRN= 743518/ 5: LiCl 6: (i) Hg(OAc)2, (ii) aq. NaOH, NaBH4 7: (i) Na2Cr2O7*2H2O, H2SO4, (ii) KOtBu 8: (i) NaBH4, (ii) NaOMe 9: (i) nBuLi, (ii) /BRN= 743518/ 10: (i) trifluoroacetic acid <Na salt>, CF3CO2H, (ii) LiAlH4, (iii) CrO3*2Py View Scheme

1: LiAlH4 2: (i) nBuLi, (ii) /BRN= 743518/ 3: LiCl 4: (i) Hg(OAc)2, (ii) aq. NaOH, NaBH4 5: (i) Na2Cr2O7*2H2O, H2SO4, (ii) KOtBu 6: (i) NaBH4, (ii) NaOMe 7: (i) nBuLi, (ii) /BRN= 743518/ 8: (i) trifluoroacetic acid <Na salt>, CF3CO2H, (ii) LiAlH4, (iii) CrO3*2Py View Scheme

1: (i) nBuLi, (ii) /BRN= 743518/ 2: LiCl 3: (i) Hg(OAc)2, (ii) aq. NaOH, NaBH4 4: (i) Na2Cr2O7*2H2O, H2SO4, (ii) KOtBu 5: (i) NaBH4, (ii) NaOMe 6: (i) nBuLi, (ii) /BRN= 743518/ 7: (i) trifluoroacetic acid <Na salt>, CF3CO2H, (ii) LiAlH4, (iii) CrO3*2Py View Scheme

1: LiCl 2: (i) Hg(OAc)2, (ii) aq. NaOH, NaBH4 3: (i) Na2Cr2O7*2H2O, H2SO4, (ii) KOtBu 4: (i) NaBH4, (ii) NaOMe 5: (i) nBuLi, (ii) /BRN= 743518/ 6: (i) trifluoroacetic acid <Na salt>, CF3CO2H, (ii) LiAlH4, (iii) CrO3*2Py View Scheme

1: (i) NaBH4, (ii) NaOMe 2: (i) nBuLi, (ii) /BRN= 743518/ 3: (i) trifluoroacetic acid <Na salt>, CF3CO2H, (ii) LiAlH4, (iii) CrO3*2Py View Scheme

1: (i) Hg(OAc)2, (ii) aq. NaOH, NaBH4 2: (i) Na2Cr2O7*2H2O, H2SO4, (ii) KOtBu 3: (i) NaBH4, (ii) NaOMe 4: (i) nBuLi, (ii) /BRN= 743518/ 5: (i) trifluoroacetic acid <Na salt>, CF3CO2H, (ii) LiAlH4, (iii) CrO3*2Py View Scheme