1.1: MsCl; triethylamine / CH2Cl2 / 0 °C 1.2: NaI / acetone / 7 h / 50 °C 1.3: 70 percent / NaOMe / methanol / 1.5 h / 20 °C 2.1: 74 percent / triethylamine; 4-(dimethylamino)pyridine / Pd(PPh3)4 / benzene / 16 h / 34200 Torr / Photolysis View Scheme