9-[(2S,3R)-3-(tert-butyldimethylsilyloxy)nonan-2-yl]-6-chloro-9H-purine 、
氨 、
methanol-dichloromethane 在
silica gel 、
methanol-dichloromethane 作用下,
反应 18.0h,
以gave 9-[(2S,3R)-3-(tert-butyldimethylsilyloxy)nonan-2-yl]-9H-purin-6-amine (Rf 0.23) (390 mg, 1.00 mmol; 72%) as a white solid and 9-[(2S,3R)-3-(tert-butyldimethylsilyloxy)nonan-2-yl]-6-methoxy-9H-purine (Rf 0.63) (85 mg, 0.21 mmol; 15%) as a dense colourless oil的产率得到9-[(2S,3R)-3-(tert-butyldimethylsilyloxy)nonan-2-yl]-9H-purin-6-amine