反应条件
1: 1.) THF, 2.) -55 deg C to -70 deg C, 2h, RT, 20h, THF
2: 87 percent / PCl3 / diethyl ether / 3 h
3: 1.) sodium-potassium alloy / 1.) THF, 30 min, 2.) RT, 20h
4: 70 percent / PCl3 / diethyl ether
5: 83 percent / DBU / tetrahydrofuran / 1 h / Ambient temperature
View Scheme
参考文献
Knaap, Th.A. van der; Klebach, Th.C.; Visser, F.; Bickelhaupt, F.; Ros, P.; et al.
Tetrahedron, 1984 , vol. 40, # 4 p. 765 - 776
