反应条件
1: 1.) 1.5N n-butyllithium / 1.) THF, hexane, 2.) 20h, RT
2: 73 percent Spectr. / 2.14N HCl / tetrahydrofuran; diethyl ether
3: 63 percent / DBU / tetrahydrofuran / 1.) RT, 2.5h, 2.) 20h
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
