potassium carbonate in N,N-dimethyl-formamide T=54 - 60°C; 1.5 h;
参考文献
Katritzky, Alan R.; Wang, Zuoquan; Hall, C. Dennis; Akhmedov, Novruz G.; Shestopalov, Aleksandr A.; Steel, Peter J.
Journal of Organic Chemistry, 2003 , vol. 68, # 23 p. 9093 - 9099