反应条件
1: 97 percent / imidazole 2: 1) n-BuLi / 1) hexane, ether, -30 to 0 deg C in 2 h, 2) ether, -50 deg C, 3 h 3: 93 percent / NH3OHCl, NaOH / ethanol / 16 h / Heating 4: 70 percent / pyridine / 3 h / Heating 5: 86 percent / liq. NH3 / diethyl ether / 12 h / Ambient temperature 6: 91 percent / Ag2O / diethyl ether / 1 h 7: 92 percent / conc. HCl / methanol 8: 72 percent / 0.2N KOH, KMnO4 / dioxane / 2 h / Ambient temperature 9: 73 percent / N,N'-dicyclohexylcarbodiimide / dioxane; ethyl acetate / 6 h / Ambient temperature View Scheme
