反应条件
1: triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere 2: Na2S*9H2O / ethanol / 12 h / Inert atmosphere; Reflux 3: 2,3-dicyano-5,6-dichloro-p-benzoquinone / chlorobenzene / 9 h / Inert atmosphere; Reflux View Scheme
参考文献
Hachiya, Iwao; Matsumoto, Tomohiro; Inagaki, Tatsuhiko; Takahashi, Atsushi; Shimizu, Makoto
Heterocycles, 2010 , vol. 82, # 1 p. 449 - 460