1: 5-bromo-2-pyridinecarboxylic acid With thionyl chloride in toluene 16 h; Reflux; 2: N-methylamine hydrochloride With N-ethyl-N,N-diisopropylamine in dichloromethane T=20°C;
参考文献
EVOTEC NEUROSCIENCES GMBH
Patent: WO2009/135842 A1, 2009 ;
Location in patent: Page/Page column 76-77 ;
WO 2009/135842 A1