反应条件
1: 98 percent / 2,6-lutidine / CH2Cl2 / 0.75 h / -78 °C
2: 1) O3, 2) PPh3 / 1) CH2Cl2, -78 deg C, 30 min, 2) Ch2Cl2, -78 deg C -> room temperature; room temperature, 1 h
3: lithium tri-tert-butoxyaluminohydride / tetrahydrofuran / 1) -78 deg C, 5 min, 2) 0 deg C, 15 min
4: 1.26 g / Et3N, 4-DMAP / CH2Cl2 / 1) 0 deg C, 2 h, 2) 25 deg C, 10 h
5: 1) LDA / 1) THF, -78 deg C, 15 min; -78 deg C -> -40 deg C, 1 h, 2) THF, -78 deg C, 15 min
View Scheme
参考文献
Nicolaou; Ninkovic; Sarabia; Vourloumis; He; Vallberg; Finlay; Yang
Journal of the American Chemical Society, 1997 , vol. 119, # 34 p. 7974 - 7991
