9-[(3R,4S)-4-(tert-butyldimethylsilyloxy)-1-phenylpentan-3-yl]-6-chloro-9H-purine 、
氨 、
methanol-dichloromethane 在
silica gel 、
methanol-dichloromethane 作用下,
反应 18.0h,
以gave 9-[(3R,4S)-4-(tert-butyldimethylsilyloxy]-1-phenylpentan-3-yl)-9H-purin-6-amine (Rf 0.40) (228 mg, 0.554 mmol; 67%) as a white solid and 9-[(3R,4S)-4-(tert-butyldimethylsilyloxy)-1-phenylpentan-3-yl]-6-methoxy-9H-purine (Rf 0.70) (84 mg, 0.177 mmol; 22%) as a pale yellow dense oil的产率得到9-[(3R,4S)-4-(tert-butyldimethylsilyloxy]-1-phenylpentan-3-yl)-9H-purin-6-amine