反应条件
1: 91 percent / diethyl ether / 0 °C
2: 97 percent / aq. H2SO4 / tetrahydrofuran / Heating
3: aq. AcOH, EtOH / 0 °C
4: 92 percent / POCl3, py / 1.) room temperature, 3 h, 2.) reflux, 10 min
View Scheme
参考文献
Ferrino, S. A.; Maldonado, L. A.
Synthetic Communications, 1984 , vol. 14, # 10 p. 925 - 932
