反应条件
1: aq. KOH, 18-crown-6 / benzene / 5 h / Heating
2: KOH / dimethylformamide / 1.5 h / 50 - 60 °C
3: 1.) Na, liq. ammonia, 2.) 25percent aq. HCl / 1.) -70 deg C
4: hydrazine hydrate, pyridine / ethanol / 1 h / Heating
View Scheme
参考文献
Schroth, Werner; Dunger, Simona; Billig, Frank; Spitzner, Roland; Herzschuh, Rainer; Vogt, Almut; Jende, Thomas; Israel, Gunter; Barche, Jens; Stroehl, Dieter; Sieler, Joachim
Tetrahedron, 1996 , vol. 52, # 39 p. 12677 - 12698