反应条件
1: HCl / 2 h / 1.) -20 deg C; 2.) room temp.
2: collidine / CH2Cl2 / 5 - 20 °C
3: Ph3P, Br2, triethylamine / CH2Cl2 / Heating
4: CH2Cl2 / Heating
View Scheme
参考文献
Differding, Edmond; Ghosez, Leon
Tetrahedron Letters, 1985 , vol. 26, # 13 p. 1647 - 1650
