1.1: LDA; t-BuOMe / various solvent(s); tetrahydrofuran / -30 - 0 °C 2.1: NaH / dimethylformamide / 1 h / 0 °C 2.2: 10 g / dimethylformamide / 0.25 h / 0 °C 3.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C View Scheme
参考文献
Poirier, Marc; Chen, Frank; Bernard, Charles; Wong, Yee-Shing; Wu, George G.
Organic Letters, 2001 , vol. 3, # 23 p. 3795 - 3798
