反应条件
1: 5 h / 150 °C
2: 1.) n-BuLi, HMDS, 2.) Cl3C-CCl3 / 1.) hexane, THF, -78 deg C -> 20 deg C; 20 deg C, 15 min, 2.) THF, -78 deg C, 15 min; -78 deg C -> 0 deg C
3: EtOLi / ethanol / 0.25 h / 0 °C
View Scheme
参考文献
Iorga, Bogdan; Eymery, Frederic; Savignac, Philippe
Tetrahedron, 1999 , vol. 55, # 9 p. 2671 - 2686
