反应条件
1: 87 percent / K2CO3 / H2O / 1 h / Heating 2: 75 percent / potassium tert-butoxide / dimethylformamide / 5 h / 100 °C 3: 84 percent / 48 percent HBr (aq.), acetic anhydride / 120 h / Heating View Scheme
参考文献
Johnsen, Bjoern A.; Undheim, Kjell
Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry, 1984 , vol. 38, # 2 p. 109 - 112