反应条件
1: pyridine / dichloromethane / 1 h / 0 °C 2: potassium carbonate; N-benzyl-N,N,N-triethylammonium chloride / N,N-dimethyl-formamide / 12 h / 80 °C View Scheme
参考文献
RANBAXY LABORATORIES LIMITED; SINGH, Pankaj, Kumar; HASHMI, Mohammed, Salman; SACHDEVA, Yoginder, Pal; KHANDURI, Chandra, Has
Patent: WO2013/156936 A1, 2013 ;