反应条件
1: 58 percent / Zn-Hg, cc. HCl / 15 h / Heating 2: 67 percent / p-toulenesulphonic acid / benzene / 18 h / Heating 3: 100 percent / diethyl ether / 24 h / Ambient temperature 4: polyphosphoric acid / 9 h / 50 - 55 °C View Scheme
参考文献
Mathur, Naresh C.; Snow, Miles S.; Young, Kent M.; Pincock, James A.
Tetrahedron, 1985 , vol. 41, # 8 p. 1509 - 1516