反应条件
1: 84 percent / CuBr / tetrahydrofuran / 4 h / -30 - 0 °C 2: 1.) NaI, Me3SiCl, 2.) POCl3 / 1.) CH3CN, H2O, 0 - 10 deg C, 2 h, 2.) pyridine, CH3CN, 0 - 15 deg C, 4 h 3: 4N HCl / tetrahydrofuran / 24 h / Ambient temperature 4: aq. NaOH / Ambient temperature 5: NaOH / aq. ethanol / 12 h / 95 °C View Scheme
参考文献
Tetrahedron Letters, , vol. 35, # 5 p. 745 - 748
