反应条件
1: 1) n-BuLi / 1) hexane, THF, -78 to 0 deg C, 2) hexane, THF, a) 15 to 30 deg C, b) 40 to 45 deg C, 2 h
2: 84 percent / pyridine, PBr3 / diethyl ether / a) -25 to -20 deg C, 2 h, b) to 25 deg C, 2 h, c) 40 deg C, 0.5 h
View Scheme
参考文献
Belyk, Kevin; Rozema, Michael J.; Knochel, Paul
Journal of Organic Chemistry, 1992 , vol. 57, # 15 p. 4070 - 4074
