Author:
Yang Xing-Xing,Ran Guang-Yao,Chen Chen,Yue Jing-Fei,Du Wei,Chen Ying-Chun
Reference23 articles.
1. The mixture was degassed, and charged with hydrogen balloon and stirred at 50 � C for 48 h. Then the mixture was filtered by celite, concentrated and purified by flash chromatography on silica gel (EtOAc/petroleum ether = 1/10) to give the product 18: 25.8 mg as a white solid, 60% yield, >19/1 dr;Boc2O (70 ?L, 0.305 mmol) were stirred in MeOH (2.0 mL)
2. Figure 4—figure supplement 1. NMR spectrometry of synthesized G-1.