反应条件
1: 1.) n-BuLi / 1.) THF, hexane, -70 deg C 2.) -60 deg C to 0 deg C within 2 h 2: 97 percent / 35percent aq. H2O2 / methanol / 1 h / Ambient temperature 3: 1.) LDA 2.) Br2 / 1.) THF, -78 deg C, hexane, 15 min 2.) THF, -70 deg C 4: 97 percent / Cu / dimethylformamide / 4 h / 140 °C 5: 50 percent / HSiCl3, NBu3 / xylene / 3 h / 130 °C View Scheme
参考文献
Helvetica Chimica Acta, , vol. 74, # 2 p. 370 - 389
