反应条件
1: 30 percent / LiHMDS / tetrahydrofuran / 1 h / -70 °C 2: 90 percent / KOH / H2O; methanol / 3 h / Heating 3: 100 percent / formic acid / CH2Cl2 / 12 h / Heating 4: 69 percent / BF3 / 25 h 5: dicyclohexylcarbodiimide, DMAP / toluene / 6 h / 40 °C 6: HBr / CH2Cl2 / 3 h / -10 °C 7: NaHCO3 / methanol / 3 h View Scheme
参考文献
Robin, Jean-Pierre; Dhal, Robert; Dujardin, Gilles; Girodier, Laurent; Mevellec, Laurence; Poutot, Sandrine
Tetrahedron Letters, 1999 , vol. 40, # 15 p. 2931 - 2934
