反应条件
1: 80 percent / MnO2, pyridine / CH2Cl2 / 0.5 h / Heating 2: 72 percent / BF3*OEt / tetrahydrofuran / 0.5 h / 50 °C 3: 61 percent / toluene / 20 h / Heating 4: 95 percent / TFA / toluene / 0.5 h / Heating 5: 68 percent / DDQ / benzene / 5 h / Heating 6: 87 percent / aq. NaOH / methanol; tetrahydrofuran / 3 h / Heating View Scheme
参考文献
Gribble, Gordon W.; Silva, Richard A.; Saulnier, Mark G.
Synthetic Communications, 1999 , vol. 29, # 4 p. 729 - 747
