1: sulfuric acid / 3 h / 110 °C
2: 3 h / Reflux
3: N,N-dimethyl-formamide; trichlorophosphate / 1.5 h / 95 °C
View Scheme
参考文献
Varadi, Linda; Gray, Mark; Groundwater, Paul W.; Hall, Andrew J.; James, Arthur L.; Orenga, Sylvain; Perry, John D.; Anderson, Rosaleen J.
Organic and Biomolecular Chemistry, 2012 , vol. 10, # 13 p. 2578 - 2589