反应条件
1: I2, CF3CO2Ag / CHCl3 / Ambient temperature 2: 84 percent / PPh3, Et3N, PdCl2, CuI / dimethylformamide / 1 h / 85 °C 3: H2 / Raney Ni / methanol / 20 °C 4: K2CO3 / acetone / 70 °C 5: 73 percent / TsOH*H2O / toluene / Heating 6: 5percent aq. NaOH / methanol / 50 °C 7: DDQ / benzene / 80 °C View Scheme
参考文献
Heterocycles, , vol. 38, # 7 p. 1487 - 1490