反应条件
1: 1.) EtONa / 1.) EtOH, reflux, 5 min, 2.) ethanol, reflux, 18 h
2: aq. KOH / ethanol / 4 h / Heating
3: H2SO4 / H2O
4: 1 h / 160 °C
5: conc. H2SO4 / 4 h / Heating
View Scheme
参考文献
Wani, Mansukh C.; Vishnuvajjala, B. Rao; Swain, William E.; Rector, Douglas H.; Cook, Clarence E.; et al.
Journal of Medicinal Chemistry, 1983 , vol. 26, # 3 p. 426 - 430