1: 85 percent / AgNO3, KCN / aq. ethanol / 0.5 h / 30 °C 2: 1.) Cp2Zr(Cl)H, 2.) I2 / 1.) THF, 35 deg C, 15 min 3: 78 percent / n-butylamine, copper iodide / Pd<P(Ph3)>4 / benzene / 3 h / Ambient temperature 4: Bu4NF / tetrahydrofuran / 2 h / Ambient temperature 5: 85 percent 6: 65 percent / Zn, MeOH / H2O / 5 h / 30 °C 7: 95 percent / K2CO3 / methanol; H2O / Ambient temperature View Scheme