反应条件
1: 1.) sodium, 2.) ammonium chloride / 1.) diethyl ether, liquid NH3, -78 °C, 1 h; 2.) -78 °C, 2 h
2: 72 percent / DDQ / benzene / 3 h / Heating
3: 70 percent / polyphosphoric acid / 2 h / 70 - 125 °C
4: 93 percent / hydrazin monohydrate, KOH / 1,2-dimethoxy-ethane; ethane-1,2-diol / 0.5 h / Heating
View Scheme
参考文献
Tintel, C.; Cornelisse, J.; Lugtenburg, J.
Recueil: Journal of the Royal Netherlands Chemical Society, 1983 , vol. 102, # 1 p. 14 - 20
