反应条件
1: 1.) tetrapropyldiborane, 2.) aq. NaOH, aq. H2O2 / 1) THF, 0 deg C, 30 min, 0 --> 20 deg C, 2 h; 2) THF, MeOH, - 5 deg C; further reagents: dimethyl sulfate, NaBH4 2: 55 percent / pyridinium chlorochromate, CH3COONa / CH2Cl2 3: 1.) (Me3Si)2NNa / 1) THF, room temperature, 30 min, reflux, 1 h; 2) -78 --> 20 deg C, overnight (room temperature) View Scheme
参考文献
Dzhemilev, U. M.; Balezina, G. G.; Volkova, L. A.; Krivonogov, V. P.; Tolstikov, G. A.
Chemistry of Natural Compounds, 1980 , vol. 16, # 1 p. 82 - 85
Khimiya Prirodnykh Soedinenii, 1980 , vol. 16, # 1 p. 97 - 102
