反应条件
1: 72 percent / Br2 / dioxane / 4 h / Ambient temperature
2: pyridine / 4 h / Ambient temperature
3: 2.) FeCl3, conc HCl / 1.) DMF, 152 deg C, 7 h; 2.) DMF, water, 65 - 70 deg C, 20 min
4: 72 percent / toluene; pyridine / 3 h / Heating
View Scheme
参考文献
Hong, X. J.; Ge, M. J.; Zhao, X. M.; Fen, Z. R.; Liu, Z. J.
Molecular Crystals and Liquid Crystals (1969-1991), 1983 , vol. 99, p. 81 - 88
