1: 49 percent / Swern oxidation 2: Zn(BH4)2 / diethyl ether 3: LiAlH4 5: acid, H2O 6: NH2OH*HCl, pyridine 7: 5percent sodium hypochlorite, Et3N 8: H2, boric acid / W-2 Raney nickel 9: MsCl, DMAP 11: 97 percent / PPTS / methanol 12: CrO3, H2SO4 13: L-selectride 14: 75 percent / Na, liq. NH3 View Scheme