反应条件
1: 93 percent / SnCl4 / CH2Cl2 / -78 °C
2: 80 percent / NaBH4 / ethanol / -10 °C
3: 54 percent / Hg(OAc)2 / 48 h
4: 75 percent / various solvent(s) / 0.5 h / 140 °C
5: 1) tBuLi; 2) oxalic acid, H2O / 1) THF, -78 degC, 2 h; 2) THF, 5 degC, 30 min
7: 50 percent / NaN(SiMe3)2 / tetrahydrofuran
8: 1) p-TsOH; 2) 2percent aq. NaOH / 1) MeOH; 2) Et2O
View Scheme
参考文献
Takahashi, Takashi; Kitamura, Kyoko; Tsuji, Jiro
Tetrahedron Letters, 1983 , vol. 24, # 43 p. 4695 - 4698