反应条件
N,N,N',N',N'',N''-hexamethylphosphoric triamide; sec.-butyllithium; Sm(OTf)3 1.) THF, cyclohexane, room temperature, 1 h, other reagent: Yb(OTf)3, 2.) THF, cyclohexane, room temperature, 1 h; Yield given. Multistep reaction;
参考文献
Journal of Organic Chemistry, , vol. 61, # 16 p. 5400 - 5405