9-[(2S,3R)-2-(tert-butyldimethylsilyloxy)nonan-3-yl]-6-chloro-9H-purine 、
氨 、
methanol-dichloromethane 在
silica gel 、
methanol-dichloromethane 作用下,
反应 48.0h,
以gave 9-[(2S,3R)-2-(tert-butyldimethylsilyloxy)nonan-3-yl]-9H-purin-6-amine (Rf 0.27) (292 mg, 0.746 mmol; 76%) as a white solid and 9-[(2S,3R)-2-(tert-butyldimethylsilyloxy)nonan-3-yl]-6-methoxy-9H-purine (Rf 0.71) (81 mg, 0.20 mmol; 20%) as a dense colourless oil的产率得到9-[(2S,3R)-2-(tert-butyldimethylsilyloxy)nonan-3-yl]-9H-purin-6-amine