Acetic acid (1S,2R,3S,4R,5R)-3-(6-benzoylamino-purin-9-yl)-4-benzyloxy-5-formyloxy-2-nitro-cyclopentylmethyl ester 在
ammonium hydroxide 、
对甲苯磺酸 作用下,
以
乙醇 为溶剂,
反应 2.25h,
生成
Acetic acid (1R,2S,3R,4S,5R)-2-acetoxymethyl-4-(6-benzoylamino-purin-9-yl)-5-benzyloxy-3-nitro-cyclopentyl ester