反应条件
1: 78 percent / petroleum ether / 1.) reflux, 3 h, 2.) room temp., 12 h
2: 88 percent / n-BuLi / tetrahydrofuran; hexane / 2 h / 55 °C
3: 91 percent / 5 h / Heating
4: 1.) Mg / 1.) ether, 2.) ether, 20 deg C, 3 h; reflux, 12 h
5: 80 percent / acetonitrile / 1.) reflux, 3 h, 2.) 20 deg C, 12 h
6: 77 percent / aq. ethanol / 22 h / 20 °C
View Scheme
参考文献
Tacke; Zimonyi-Hegedues; Strecker
Archiv der Pharmazie, 1980 , vol. 313, # 6 p. 515 - 526