达罗他胺中间体合成中杂质的发现和结构表征 |
马卉芳,童悦,王荣繁,谢建伟 |
Discovery and Structural Characterization of Impurities in the Synthesis of Darolutamide Intermediate |
MA Huifang,TONG Yue,WANG Rongfan,XIE Jianwei |
图2 化合物3和4的合成路线及杂质A、B和C的结构 |
Fig. 2 The synthesis route of intermediate 3 |