反应条件
1: 2-ethylisourea With sodium in methanol T=20°C; 0.5 h; 2: ethyl 4,4,4-trifluoro-3-oxobutanoate in methanol 4 h; Reflux;
参考文献
PROGENICS PHARMACEUTICALS, INC.; HAN, Amy, Qi; WANG, Eric; GAUSS, Carla; XIE, Walter; COBURN, Glen; DEMUYS, Jean-Marc
Patent: WO2010/118367 A2, 2010 ;
Location in patent: Page/Page column 44-45 ;