反应条件
1: 86 percent / NaH / tetrahydrofuran / 23 h / Ambient temperature 2: 90 percent / O2, KF, P(OEt)3 / dimethylsulfoxide / 22 h / Ambient temperature 3: 100 percent / pyridine / 38 h / Ambient temperature 4: 100 percent / diphenyl ether / 1 h / 280 °C 5: 86 percent / OsO4, NMO, H2O / tetrahydrofuran / 72 h / 0 °C 6: PPTS / 65 h 7: NaBH4 / methanol / 1.5 h / -78 °C 8: DBU, MeOH / 20 h / -20 °C 9: 23 h / Ambient temperature 10: Tf2O, (i-Pr)2NEt / toluene / 1 h / 50 °C 11: 95 percent / HCl / methanol / 40 h / Ambient temperature 12: 96 percent / NaOH, H2O / tetrahydrofuran / 1 h / Ambient temperature View Scheme
