反应条件
1: I2, NaHCO3 / CH2Cl2 / 48 h / Ambient temperature 2: 90 percent / methanol / 4 h / 0 - 20 °C 3: LTBA / tetrahydrofuran / 3 h / 0 °C 4: pyridine / 2 h / 0 - 20 °C 5: 56 percent / CSA, dihydroquinone / benzene / 3 h / Heating 6: 1) mCPBA, 2) 2N HCl / 1) CH2Cl2, -30 to -25 deg C, 20 h, 2) THF, RT, 16 h 7: Me4NBH(OAc)3 / acetic acid; acetonitrile / 2 h / 0 °C 8: DDQ / dioxane / 4 h / 80 °C 9: 94 percent / Ag2O / acetonitrile / 24 h / Ambient temperature 10: 92 percent / MsCl, Et3N / CH2Cl2 / Ambient temperature 11: 47 percent / OsO4, DABCO / tetrahydrofuran / 24 h / -40 °C 12: 92 percent / pyridinium p-toluenesulfonate / CH2Cl2 / 16 h / Ambient temperature 13: CH(NMe2)3 / 1 h / 100 °C 14: 2N HCl / tetrahydrofuran / 20 h / Ambient temperature 15: PCC / CH2Cl2 / 5 h / Ambient temperature 16: CH2Cl2 / 0.33 h / Ambient temperature 17: DBN / CH2Cl2 / 6 h / Ambient temperature 18: K2CO3, MeOH / 5 h / Ambient temperature 19: 1N HCl / tetrahydrofuran / 12 h / Ambient temperature 20: 49 percent / pyridine / 12 h / -20 °C 21: 73 percent / PCC / CH2Cl2 / 2 h / Ambient temperature View Scheme
参考文献
Sato, Seiji; Nakada, Masahisa; Shibasaki, Masakatsu
Tetrahedron Letters, 1996 , vol. 37, # 34 p. 6141 - 6144
