反应条件
1.1: potassium carbonate / N,N-dimethyl-formamide / 2 h / 60 °C 2.1: AlCl3, aluminium chloride / dichloromethane / 2 h / 0 - 5 °C / |Inert atmosphere 2.2: 22 h / 20 °C / |Inert atmosphere 3.1: bromine / dichloromethane / 13 h 4.1: dimethyl sulfoxide; ethanol; water / 5 h / 0 - 25 °C 5.1: acetic anhydride / 2 h / 120 °C 6.1: ammonia / ethanol / 2 h / 10 - 20 °C 7.1: potassium carbonate / N,N-dimethyl-formamide / 3 h / 120 °C / |Inert atmosphere 8.1: trichlorophosphate; 4-(N,N-dimethlyamino)pyridine / ethyl acetate / 3 h / 20 °C / |Reflux View Scheme
参考文献
Mao, Yongjun; He, Yang; Zhu, Fuqiang; Chen, Weiming; Shen, Jingshan; Li, Jianfeng
Heterocycles, 2014 , vol. 89, # 5 p. 1203 - 1209