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.
View Scheme
参考文献
Huang
Journal of the Chemical Society, 1957 , p. 1342,1347
