反应条件
1: 73 percent / methanol; diethyl ether / 2 h
2: 42 percent / conc. HNO3 / acetic acid / 0.5 h / 60 °C
3: 63 percent / 10percent Na2S2O4 / ethanol / 0.75 h / Heating
4: 84 percent / ethyl acetate / 1.) 3 h, reflux, 2.) 12 h, room temp.
5: 30 percent / NaI / acetone / 2 h / Ambient temperature
View Scheme
参考文献
Eiden; Felbermeir; Buchborn
Archiv der Pharmazie, 1983 , vol. 316, # 11 p. 921 - 933
