反应条件
1: HMPA, Ph3CH, n-BuLi / tetrahydrofuran / 48 h / Heating
2: H2 / Pd/CaCO3/Pb / benzene / 12 h / 760 Torr
3: 1.) HMPA, n-BuLi / 1.) THF, hexane, -40 deg C, 30 min, then -40 to -10 deg C, 1 h, -10 deg C, 1h, 2.) THF, hexane, overnight
4: 1.) ammonium cerium(IV) nitrate, 2.) HClO4 / 1.) CH3CN, H2O, -7 deg C, 1 h, then room temp., 2 h, 2.) CH2Cl2, room temp., 4 h
View Scheme
参考文献
Poigny, Stephane; Guyot, Michele; Samadi, Mohammad
Tetrahedron, 1998 , vol. 54, # 49 p. 14791 - 14802
