反应条件
2: 20 percent / n-BuLi / tetrahydrofuran / 1) -78 deg C, 0.5+0.5 h, 2) r.t., 1 h 3: 85 percent / NEt3 / CH2Cl2 / 1 h / 0 °C 4: 60 percent / Na/Hg, H2, Pd/C / methanol / 48 h / 25 °C 5: 65 percent / CsF / tetrahydrofuran / 3 h / Heating View Scheme
