反应条件
1: TFA / CH2Cl2 / 2 h / 20 °C
2: 0.5 h / 20 °C
3: ceric ammonium nitrate / acetonitrile; H2O / 2 h / 45 °C
4: 309 mg / Et3N / DMAP / acetonitrile / 20 °C
5: lithium triethylborohydride / tetrahydrofuran / 0.5 h / -78 °C
6: pTsOH*H2O / 20 °C
7: 64 percent / BF3*Et2O / CH2Cl2 / 3 h / -78 - -50 °C
8: 70 percent / aq. HCl; AcOH / 3 h / 20 °C
View Scheme
参考文献
Hanessian, Stephen; Bayrakdarian, Malken; Luo, Xuehong
Journal of the American Chemical Society, 2002 , vol. 124, # 17 p. 4716 - 4721
