反应条件
1: 82 percent / pyridinium chlorochromate / Celite / CH2Cl2 / 1.5 h 2: 87 percent / diethyl ether / 16 h / Ambient temperature 3: 1.) p-toluene-sulfonic acid, 2.) NaI / 1.) THF, RT, 1 h, 2.) RT, 24 h, acetone 4: 39 percent / n-BuLi, diisopropylamine / tetrahydrofuran; hexane / -78 degC, 30 min and RT, 4 h 5: 1.) O2, 2.) p-toluenesulfonic acid / 1.) Sensitox / 1.) CH2Cl2, 30 min, irradiation, 2.) benzene, 24 h, reflux View Scheme
参考文献
Wasserman, Harry H.; Gambale, Ronald J.; Pulwer, Mitchell J.
Tetrahedron, 1981 , vol. 37, # 23 p. 4059 - 4067
