反应条件
1: DIBAL-H / toluene / 3 h / -78 °C
2: toluene / 15 h / 23 °C
3: DMAP, Et3N / pyridine / 26 h / 45 °C
4: DIBAL-H / toluene / 1 h / -78 °C
5: CBr4, PPh3 / CH2Cl2 / 1 h
6: Ph3P / acetonitrile / 6 h
7: 62 percent / 1) n-BuLi / tetrahydrofuran; hexamethylphosphoric acid triamide / 1) -78 deg C, 1 h, 2) -78 to -50 deg C, 1.5 h
8: 90 percent / n-Bu4NF / tetrahydrofuran / 12 h
9: LiOH / tetrahydrofuran; H2O
View Scheme
参考文献
Yadagiri, Pendri; Lumin, Sun; Falck, J. R.
Tetrahedron Letters, 1989 , vol. 30, # 4 p. 429 - 432