反应条件
1: 1.) 2,3-dichloro-5,6-dicyano-p-benzoquinone / 1.) ether, reflux, 3 h, 2.) CH2Cl2, reflux, 3 h 2: 1.) DIBAH, 2.) Jones reagent / 1.) toluene, -78 deg C, 4 h, 2.) acetone, room temp., 15 min 3: 70percent t-butyl-hydroperoxide, 40percent benzyltrimethylammonium hydroxide / benzene / Ambient temperature 4: p-toluenesulfonic acid / CH2Cl2 / 2 h 5: 100 percent / boron tribromide / CH2Cl2 / 0.25 h View Scheme
参考文献
Luis; Fletcher; Echeverri; Grillo
Tetrahedron, 1994 , vol. 50, # 37 p. 10963 - 10970
