反应条件
1: 1) POCl3 / 1) RT, 4 h, 2) 1,2-dichloroethane, 40 h 2: 50 percent / 1) POCl3 / 1) 1,2-dichloroethane, reflux, 30 min, 2) 50-60 deg C, 2 h 3: 60 percent / triton B / tetrahydrofuran / 4 h / Heating 4: 35 percent / HCl / ethanol / 70 h / Ambient temperature 5: 95.2 percent / 10percent aq. NaOH / 0.5 h / Heating View Scheme
参考文献
Artico; Corelli; Massa; Stefancich
Journal of Heterocyclic Chemistry, 1982 , vol. 19, # 6 p. 1493 - 1495
