反应条件
1: 1.) Brockmann I alumina, 2.) potassium dichromate, H2SO4, tetrabutylammonium hydrogen sulphate / 1.) 24 h, r.t, 2.) CH2Cl2, -5 deg C, 3 h. 2: 93 percent / methanol / 10 h / Ambient temperature 3: 90 percent / Lithium aluminium hydride / tetrahydrofuran / 0.5 h / 0 °C 4: 1.) boron triluoride etherate, 2.) p-toluenesulfonic acid / 1.) acetone-water, r.t, 2 h, 2.) r.t, 12 h. 5: 89 percent / aqueus sodium hydroxide / ethanol / 6 h / Heating View Scheme
参考文献
Tetrahedron, , vol. 39, # 24 p. 4127 - 4132
