9-[(2R,3S)-3-(tert-butyldimethylsilyloxy)-5-phenylpentan-2-yl]-6-chloro-9H-purine 、
氨 、
methanol-dichloromethane 在
silica gel 、
methanol-dichloromethane 作用下,
反应 18.0h,
以gave 9-[(2R,3S)-3-(tert-butyldimethylsilyloxy)-5-phenylpentan-2-yl]-9H-purin-6-amine (Rf 0.38) (460 mg, 1.12 mmol; 80%) as a white solid and 9-[(2R,3S)-3-(tert-butyldimethylsilyloxy)-5-phenylpentan-2-yl]-6-methoxy-9H-purine (Rf 0.68) (82 mg, 0.19 mmol; 14%) as a pale yellow dense oil的产率得到9-[(2R,3S)-3-(tert-butyldimethylsilyloxy)-5-phenylpentan-2-yl]-9H-purin-6-amine