反应条件
1: 85 percent / 2 N aq. NaOH / 1.5 h / Heating 2: K2CO3 / dimethylformamide / 2 h / 60 °C 3: K2CO3 / dimethylformamide / 3 h / 50 °C 4: 84 percent / conc. H2SO4, anisole / trifluoroacetic acid / 7 h / Heating View Scheme
参考文献
Sakai, Ryosuke; Konno, Kayo; Yamamoto, Yasunori; Sanae, Fujiko; Takagi, Kenzo; et al.
Journal of Medicinal Chemistry, 1992 , vol. 35, # 22 p. 4039 - 4044
