1: 2-(Trichloromethyl)-1,8-naphthyridine With phosphoric acid; water T=140°C; 3 h; 2: methanol in water 12 h; Heating / reflux; 3: With sodium carbonate in water
参考文献
GLAXO GROUP LIMITED
Patent: WO2007/16610 A2, 2007 ;
Location in patent: Page/Page column 38 ;