反应条件
1: 1) n-Bu4NHSO4, NaOH / 1) CH2Cl2, 0 deg C, 2) CH2Cl2, 0 - 5 deg C, 25 min
2: 100 percent / NaBH4 / tetrahydrofuran; aq. ethanol / 1.25 h / 0 - 5 °C
3: 1) lithium diisopropylamide / 1) THF, hexane, a) -75 deg C, 90 min, b) rt, 30 min, 2) -65 to -40 deg C, overnight
View Scheme
参考文献
Saulnier, Mark G.; Gribble, Gordon W.
Tetrahedron Letters, 1983 , vol. 24, # 49 p. 5435 - 5438
