反应条件
1: Yb(OTf)3 / tetrahydrofuran; H2O / 0 - 5 °C 2: HF / tetrahydrofuran 3: PPh3, CBr4 / CH2Cl2 4: cerium ammonium nitrate / acetonitrile; H2O / 0 °C 6: 1.) lithiumhexamethyldisilazido / 1.) THF 7: 1.) MCPBA; 2.) PPh3, CBr4 / 1.) CH2Cl2; 2.) CH2Cl2 8: KOH 9: HCl / Heating View Scheme
参考文献
Tetrahedron Letters, , vol. 40, # 11 p. 2175 - 2178
