反应条件
1: 88 percent / cc. H2SO4 / 20 h / Heating 2: 94 percent / ethanol / 3.5 h / 45 °C 3: 97 percent / potassium carbonate / acetone / 8 h / Heating 4: 98 percent / LiAlH4 / tetrahydrofuran / 2 h / 0 °C 5: 80 percent / manganese (IV) oxide / CHCl3; methanol / 20 h / Ambient temperature 6: 73 percent / NaOMe / methanol / 2 h / -15 °C 7: 87 percent / xylene / 4 h / Heating 8: 85 percent / HCl / methanol / 6 h / Heating 9: 2.) HCl / 1.) CH2Cl2, room temp., 12 h; 2.) 12 h, ether 10: 1.) BBr3; 2.) MeOH, H2SO4 (96percent) / 1.) CH2Cl2, room temp., 140 h; 2.) reflux, 48 h 11: 93 percent / benzoyl t-butyl nitroxide / methanol; CHCl3 / 16 h / Ambient temperature View Scheme
参考文献
Tetrahedron, , vol. 42, # 12 p. 3259 - 3268
