1: 71 percent / HCl / CH2Cl2; various solvent(s) / 12 h / 0 °C 2: 92 percent / AgNO3, Ag2O / Ambient temperature 3: LiOH / methanol; H2O / 48 h / Heating 4: HCl / methanol / 0.5 h / 0 °C 5: dicyclohexylcarbodiimide / CH2Cl2 / Ambient temperature 6: 1) CCl4, 3 h, reflux 2) hydrolysis 7: LiI, collidine / 150 °C View Scheme