反应条件
1: 1) n-BuLi / 1) THF, -78 deg C, 2 h, 2) -78 deg C, 30 min, then RT, 1 h.
2: 1) n-BuLi / 1) THF, 0 deg C, 1.3 h, 2) 0 deg C, 30 min, then RT, 90 min
3: 1) n-BuLi / 1) THF, 0 deg C, 2 h, 2) 0 deg C, 30 min, then RT, 2 h.
4: 94 percent / tetrabutylammonium fluoride / tetrahydrofuran / 1 h / Ambient temperature
View Scheme
参考文献
Rabideau, Peter W.; Dhar; Clawson; Zhan, Zhengyun
Tetrahedron Letters, 1991 , vol. 32, # 32 p. 3969 - 3972
