反应条件
1: 1) hydrazine hydrate, 2) KOH / 1) diethylene glycol, 130 deg C, 1 h, 2) diethylene glycol, 130 deg C, 2 h, then 160 deg C, 3 h 2: 1) TiCl4, 2) hydroxylamine hydrochloride, pyridine / 1) CH2Cl2, 0 deg C, 30 min, 2) ethanol, reflux, 2 h 3: 73 percent / acetic anhydride / 2 h / Heating View Scheme
参考文献
Dabrowski; Witkiewicz; Kenig
Molecular crystals and liquid crystals, 1980 , vol. 58, # 3-4 p. 251 - 259