反应条件
1: toluene / 6 h / 120 °C
2: potassium tert-butylate / tetrahydrofuran / 5 h / |Schlenk technique
3: K2S; copper diacetate / N,N-dimethyl-formamide / 24 h / 140 °C / |Schlenk technique; |Inert atmosphere
View Scheme
参考文献
Zhang, Xiaoyun; Zeng, Weilan; Yang, Yuan; Huang, Hui; Liang, Yun
Synlett, 2013 , vol. 24, # 13 art. no. ST-2013-W0339-L, p. 1687 - 1692