反应条件
1: 98 percent / SOCl2 / 0.83 h / 120 °C
2: 71 percent / AlCl3 / CH2Cl2 / 1.) -70 deg C, 1h; 2.) -60 deg C, 1h; 3.) -20 deg C, 1h
3: 82 percent / HCl / CHCl3 / 20 h / Ambient temperature
View Scheme
参考文献
Karpf, Martin
Tetrahedron Letters, 1982 , vol. 23, # 47 p. 4923 - 4926