反应条件
1: 99 percent / TEMPO, KBr, NaHCO3, NaOCl / CH2Cl2; H2O / 0.5 h 2: 89 percent / TMSCl, NaI / acetonitrile / 6 h / 0 - 20 °C 3: 74 percent / Cs2CO3 / dimethylsulfoxide / 21 h / 47 - 50 °C 4: 93.4 percent / trifluoroacetic acid; toluene / 2 h / 110 °C 5: p-TSA*H2O / toluene; acetic acid / 18 h / 95 - 100 °C 6: pyridine / 2 h / 20 - 25 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 62, # 19 p. 6588 - 6597
