反应条件
1: 1.) n-BuLi, HMPA / 1.) THF, -78 deg C, 2.) THF, from -78 deg C to 15 deg C, 4 h 2: silica gel-aq. oxalic acid / CH2Cl2 / 0.5 h / 0 °C 3: diisobutylaluminum hydride / diethyl ether / 0.25 h / 0 °C 4: 70 percent / 1.) t-BuLi, 2.) methanol / diethyl ether / 0.25 h / -15 °C View Scheme
参考文献
Meyers, A. I.; Spohn, Ronald F.
Journal of Organic Chemistry, 1985 , vol. 50, # 24 p. 4872 - 4877
