反应条件
1: NaOMe / methanol
2: aq. NH2OH*0.5 H2SO4 / methanol / 0.25 h / Heating
3: Et3N / diethyl ether; tetrahydrofuran
4: NaOAc / 2 h / 110 °C
5: Br2 / CCl4 / Ambient temperature
6: (i) acetone, (ii) NaBH4, MeOH
View Scheme
参考文献
Hashimoto; Shizu; Takahashi
Chemical and Pharmaceutical Bulletin, 1976 , vol. 24, # 8 p. 1757 - 1764