反应条件
1: LDA, BF3*Et2O / tetrahydrofuran / -78 °C 2: NaBH4 / methanol; tetrahydrofuran / 0 °C 3: TEA / CH2Cl2 / 0 °C 4: 83 percent / trifluoroacetic acid; H2O / 65 h / 45 °C 5: 1.) BrCH2CH2OH, N-methylpyrrolidinone, 2.) Na2CO3 / 1.) 110 deg C, 4 h, 2.) 110 deg C, 18 h View Scheme
参考文献
Journal of the American Chemical Society, , vol. 105, # 18 p. 5946 - 5948
