4-(N,N-dimethlyamino)pyridine in dichloromethane T=20°C; Inert atmosphere;
参考文献
The Key Lab. Of Chemistry for Natural Products of Guizhou Province and Chinese Acad. of Sciences; Tianjin Institute of Pharmaceutical Research; 302 Hospital of PLA, China
Patent: US2009/247470 A1, 2009 ;
Location in patent: Page/Page column 17-18 ;
